Instances of Use of United States Armed 
March 8, 2022 
Forces Abroad, 1798-2022 
Barbara Salazar Torreon 
This report lists hundreds of instances in which the United States has used its Armed 
Senior Research Librarian 
Forces abroad in situations of military conflict or potential conflict or for other than 
  
normal peacetime purposes. It was compiled in part from various older lists and is 
Sofia Plagakis 
intended primarily to provide a rough survey of past U.S. military ventures abroad, 
Research Librarian 
without reference to the magnitude of the given instance noted. The listing often 
  
contains references, especially from 1980 forward, to continuing military deployments, 
especially U.S. military participation in multinational operations associated with NATO 
 
or the United Nations. Most of these post-1980 instances are summaries based on 
presidential reports to Congress related to the War Powers Resolution. A comprehensive commentary regarding 
any of the instances listed is not undertaken here. 
The instances differ greatly in number of forces, purpose, extent of hostilities, and legal authorization. Eleven 
times in its history, the United States has formally declared war against foreign nations. These 11 U.S. war 
declarations encompassed five separate wars: the war with Great Britain declared in 1812; the war with Mexico 
declared in 1846; the war with Spain declared in 1898; the First World War, during which the United States 
declared war with Germany and with Austria-Hungary during 1917; and World War II, during which the United 
States declared war against Japan, Germany, and Italy in 1941, and against Bulgaria, Hungary, and Rumania in 
1942.  
Some of the instances were extended military engagements that might be considered undeclared wars. These 
include the Undeclared Naval War with France from 1798 to 1800; the First Barbary War from 1801 to 1805; the 
Second Barbary War of 1815; the Korean War of 1950-1953; the Vietnam War from 1964 to 1973; the Persian 
Gulf War of 1991; global actions against foreign terrorists after the September 11, 2001, attacks on the United 
States; and the war with Iraq in 2003. With the exception of the Korean War, all of these conflicts received 
congressional authorization in some form short of a formal declaration of war. Other, more recent instances have 
often involved deployment of U.S. military forces as part of a multinational operation associated with NATO or 
the United Nations.  
The majority of the instances listed prior to World War II were brief Marine Corps or Navy actions to protect U.S. 
citizens or promote U.S. interests. A number were engagements against pirates or bandits. Covert operations, 
domestic disaster relief, and routine alliance stationing and training exercises are not included here, nor are the 
Civil and Revolutionary Wars and the continual use of U.S. military units in the exploration, settlement, and 
pacification of the western part of the United States. 
For additional information, see CRS Report RL31133, Declarations of War and Authorizations for the Use of 
Military Force: Historical Background and Legal Implications, by Jennifer K. Elsea and Matthew C. Weed, CRS 
Report R42699, The War Powers Resolution: Concepts and Practice, by Matthew C. Weed; and CRS In Focus 
IF10539, Defense Primer: Legal Authorities for the Use of Military Forces, by Jennifer K. Elsea, CRS In Focus 
IF10535, Defense Primer: Congress’s Constitutional Authority with Regard to the Armed Forces, by Jennifer K. 
Elsea, and CRS In Focus IF10534, Defense Primer: President’s Constitutional Authority with Regard to the 
Armed Forces, by Jennifer K. Elsea. 
 
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 link to page 4  link to page 5  link to page 54  link to page 55  link to page 55 Instances of Use of United States Armed Forces Abroad, 1798-2021 
 
Contents 
Introduction ..................................................................................................................................... 1 
Listing of Notable Deployments of U.S. Military Forces Overseas, 1798-February 2022 ............. 2 
Related CRS Products ................................................................................................................... 51 
Sources .......................................................................................................................................... 52 
 
Contacts 
Author Information ........................................................................................................................ 52 
 
Congressional Research Service 
Instances of Use of United States Armed Forces Abroad, 1798-2021 
 
Introduction 
The following list reviews hundreds of instances in which the United States has used military 
forces abroad in situations of military conflict or potential conflict to protect U.S. citizens or 
promote U.S. interests. The list does not include covert actions or numerous occurrences in which 
U.S. forces have been stationed abroad since World War II in occupation forces or for 
participation in mutual security organizations, base agreements, or routine military assistance or 
training operations. Because of differing judgments over the actions to be included, other lists 
may include more or fewer instances.1 
These cases vary greatly in size of operation, legal authorization, and significance. The number of 
troops involved ranges from a few sailors or marines landed to protect American lives and 
property to hundreds of thousands in Korea and Vietnam and millions in World War II. Some 
actions were of short duration, and some lasted a number of years. In some examples, a military 
officer acted without authorization; some actions were conducted solely under the President’s 
powers as Chief Executive or Commander in Chief; other instances were authorized by Congress 
in some fashion. In 11 separate cases (listed in bold-face type) the United States formally 
declared war against foreign nations. For most of the instances listed, however, the status of the 
action under domestic or international law has not been addressed. Most occurrences listed since 
1980 are summaries of U.S. military deployments reported to Congress by the President as a 
result of the War Powers Resolution. Several of these presidential reports are summaries of 
activities related to an ongoing operation previously reported. Note that inclusion in this list does 
not connote either legality or level of significance of the instance described. This report covers 
uses of U.S. military force abroad from 1798 to February 24, 2022. It will be revised as 
circumstances warrant. 
 
 
                                                 
1 Other lists include Sen. Barry Goldwater, “War without Declaration: A Chronological List of 199 U.S. Military 
Hostilities Abroad without a Declaration of War. 1798-1972,” Congressional Record, vol. 119, July 20, 1973: S14174-
S14183; U.S. Department of State, “Armed Actions Taken by the United States Without a Declaration of War, 1789-
1967,” Research Project 806A, Historical Studies Division, Bureau of Public Affairs; John M. Collins, America’s Small 
Wars (New York: Brassey’s, 1991). For a discussion of the evolution of lists of military actions and legal authorization 
for various actions, see Francis D. Wormuth and Edwin B. Firmage, To Chain the Dog of War; the War Power of 
Congress in History and Law (Dallas: Southern Methodist University Press, 1986), pp. 133-149. 
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Listing of Notable Deployments of U.S. Military 
Forces Overseas, 1798-February 2022 
1798-1800 
Undeclared Naval War with France. This contest included land actions, such as that in the Dominican 
Republic, city of Puerto Plata, where marines captured a French privateer under the guns of the forts. 
Congress authorized military action through a series of statutes. 
1801-1805  
Tripoli. The First Barbary War included the USS George Washington and Philadelphia affairs and the 
Eaton expedition, during which a few marines landed with United States Agent Wil iam Eaton to raise 
a force against Tripoli in an effort to free the crew of the Philadelphia. Tripoli declared war on the 
United States on May 10, 1801, and although Congress authorized U.S. military action by statute, they 
never voted on a formal declaration of war. 
1806  
Mexico (Spanish territory). Captain Z. M. Pike, with a platoon of troops, invaded Spanish territory at the 
headwaters of the Rio Grande on orders from General James Wilkinson. He was made prisoner 
without resistance at a fort he constructed in present-day Colorado, taken to Mexico, and later 
released after seizure of his papers. 
1806-1810  
Gulf of Mexico. American gunboats operated from New Orleans against Spanish and French privateers 
off the Mississippi Delta, chiefly under Captain John Shaw and Master Commandant David Porter. 
1810  
West Florida (Spanish territory). Governor Wil iam Charles Cole Claiborne of Louisiana, on orders of 
the President, occupied with troops territory in dispute east of the Mississippi River as far as the 
Pearl River, later the eastern boundary of Louisiana. He was authorized to seize as far east as the 
Perdido River. 
1812  
Amelia Island and other parts of east Florida, then under Spain. Temporary possession was authorized by 
President Madison and by Congress, to prevent occupation by any other power; but possession was 
obtained by General George Matthews in so irregular a manner that his measures were disavowed by 
the President. 
1812-1815  
War of 1812. On June 18, 1812, the United States declared war between the United 
States and the United Kingdom of Great Britain and Ireland. Among the issues leading to 
the war were British interception of neutral ships and blockades of the United States during British 
hostilities with France. 
1813  
West Florida (Spanish territory). On authority given by Congress, General Wilkinson seized Mobile Bay 
in April with 600 soldiers. A small Spanish garrison gave way. The United States advanced into 
disputed territory to the Perdido River, as projected in 1810. No fighting. 
1813-1814  
Marquesas Islands. U.S. forces built a fort on the Pacific island of Nuku Hiva, the largest of the 
Marquesas, to protect three prize ships which had been captured from the British. 
1814  
Spanish Florida. General Andrew Jackson took Pensacola Bay and drove out the British, in September 
1814 with whom the United States was at war and pacified the Spanish governor of Florida. This 
capture of Pensacola was crucial to Jackson securing victory during the battle of New Orleans in 
November 1814. 
1814-1825  
Caribbean. Engagements between pirates and American ships or squadrons took place repeatedly, 
especial y ashore and offshore about Cuba, Puerto Rico, Santo Domingo, and Yucatan. Three 
thousand pirate attacks on merchantmen were reported between 1815 and 1823. In 1822, 
Commodore James Biddle deployed a squadron of two frigates, four sloops of war, two brigs, four 
schooners, and two gunboats in the West Indies. 
1815  
Algiers. The second Barbary War was declared against the United States by the Bey of Algiers of the 
Barbary states, an act not reciprocated by the United States. Congress did authorize a military 
expedition by statutes. A large fleet under U.S. Commodore Stephen Decatur attacked Algiers and 
obtained indemnities. 
Tripoli. After securing an agreement from Algiers, Decatur demonstrated with his squadron at Tunis 
and Tripoli, where he secured indemnities for offenses during the War of 1812. 
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1816  
Spanish Florida. United States forces destroyed Nichol s Fort, also called Negro Fort, located in 
present Franklin County, Florida, which harbored raiders making forays into United States territory. 
1816-1818  
Spanish Florida—First Seminole War. The Seminole Indians, whose area was a haven for escaped slaves 
and border ruffians, were attacked by troops under Generals Andrew Jackson and Edmund P. Gaines 
and pursued into northern Florida. Spanish posts were attacked and occupied, British citizens 
executed. In 1819, the Floridas were ceded to the United States. 
1817  
Amelia Island (Spanish territory off northeast Florida). Under orders of President James Monroe, United 
States forces landed and expelled a group of smugglers, adventurers, and freebooters. 
1818  
Oregon. The USS Ontario landed at the Columbia River and in August took possession of the Oregon 
territory. Britain had ceded sovereignty but Russia and Spain asserted claims to the area. 
1820-1823  
Africa. Naval units raided the slave traffic pursuant to the Act of 1819 by Congress which authorized 
U.S. armed vessels to interdict slave traders in an attempt to stop slave trade at its source and return 
slaves to Africa. 
1822  
Cuba. United States naval forces suppressing piracy landed on the northwest coast of Cuba and 
burned a pirate station.  
1823  
Cuba. Brief landings in pursuit of pirates occurred April 8 near Escondido; April 16 near Cayo Blanco; 
July 11 at Siquapa Bay; July 21 at Cape Cruz; and October 23 at Camarioca. 
1824  
Cuba. In October the USS Porpoise landed bluejackets near Matanzas in pursuit of pirates. 
Puerto Rico (Spanish territory). Commodore David Porter with a landing party of 200 attacked the town 
of Fajardo, which had sheltered pirates and insulted American naval officers forcing an apology. 
Commodore Porter was later court-martialed for overstepping his authority. 
1825  
Cuba. During March, cooperating American and British forces landed at Sagua La Grande, along the 
north coast of the Vil a Clara province, to capture pirates. 
1827  
Greece. In October and November landing parties hunted pirates on the Mediterranean islands of 
Argentière, Miconi, and Andros. 
1831-1832  
Falkland Islands. Captain Duncan of the USS Lexington investigated the capture of three American 
sealing vessels and sought to protect American interests. 
1832  
Sumatra. February 6 to 9. A naval force landed and stormed a fort to punish natives of the town of 
Quallah Battoo for plundering the American ship Friendship. 
1833  
Argentina. October 31 to November 15. A force was sent ashore at Buenos Aires to protect the 
interests of the United States and other countries during an insurrection. 
1835-1836  
Peru. December 10, 1835, to January 24, 1836, and August 31 to December 7, 1836. Marines 
protected American interests in Callao and Lima during an attempted revolution. 
1836  
Mexico. General Gaines occupied Nacogdoches (Texas), disputed territory, from July to December 
during the Texan war for independence under orders to cross the “imaginary boundary line” if an 
Indian outbreak threatened. 
1838-1839  
Sumatra. December 24, 1838, to January 4, 1839. A naval force landed to punish natives of the towns 
of Quallah Battoo and Muckie (Meukek) for depredations on American shipping. 
1840  
Fiji Islands. July. Naval forces landed to punish natives for attacking American exploring and surveying 
parties. 
1841  
Taputeoiea (Tabiteuea) or Drummond’s Island, Kingsmill Group. A naval party landed to avenge the 
murder of Navy Seaman John Anderson by the native warriors. 
Samoa. February 24. A naval party landed and burned towns after the murder of an American sailor 
on Upolu Island. This was the second engagement with islanders of the Pacific Ocean during the 
United States Exploring Expedition. 
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1842  
Mexico. Commodore T.A.C. Jones, in command of a squadron long cruising off California, occupied 
Monterey, CA, on October 19, believing war had come. That not being the case, he withdrew.  
1843  
China. Sailors and marines from the USS St. Louis were landed after a clash between Americans and 
Chinese at the trading post in Canton (now Guangzhou). 
Africa. November 29 to December 16. Four United States vessels demonstrated and landed various 
parties (one of 200 marines and sailors) to discourage piracy and the slave trade along the Ivory 
Coast and to punish attacks by the natives on American merchant seamen and shipping. 
1844  
Mexico. U.S. President John Tyler deployed U.S. forces to protect Texas against Mexico, pending 
Senate approval of a treaty of annexation (later rejected). He defended his action against a Senate 
resolution of inquiry. 
1846-1848  
Mexican War. On May 13, 1846, the United States recognized the existence of a state of 
war with Mexico. After the annexation of Texas in 1845, the United States and Mexico failed to 
resolve a boundary dispute, and U.S. President James K. Polk said that it was necessary to deploy 
forces in Mexico to meet a threatened invasion. 
1849  
Smyrna (İzmir, Turkey). In July, a naval force gained release of an American seized by Austrian officials. 
1851  
Turkey. After a massacre of foreigners (including Americans) at Jaffa in January, a demonstration by the 
Mediterranean Squadron was ordered along the Turkish (Levant) coast. 
Johanns Island (east of Africa). August. Forces from the U.S. sloop of war USS Dale exacted redress for 
the unlawful imprisonment of the captain of an American whaling brig. 
1852-1853  
Argentina. February 3 to 12, 1852; September 17, 1852, to April 1853. Marines were landed and 
maintained in Buenos Aires to protect American interests during a revolution. 
1853  
Nicaragua. March 11 to 13. U.S. forces landed to protect American lives and interests during political 
disturbances. 
1853-1854  
Japan. Commodore Matthew C. Perry and his naval expedition made a display of force leading to the 
“opening of Japan.” 
Ryukyu and Bonin Islands. Commodore Perry on three visits before going to Japan and while waiting 
for a reply from Japan made a naval demonstration, landing marines twice, and secured a coaling 
concession from the ruler of Naha on Okinawa. Perry also held a naval demonstration in the Bonin 
Islands, an archipelago of over 30 subtropical and tropical islands over 600 miles south of Tokyo, with 
the purpose of securing facilities for commerce. 
1854  
China. April 4 to June 15 to 17. American and English ships landed forces to protect American 
interests in and near Shanghai during Chinese civil strife. 
Nicaragua. July 9 to 15. Naval forces bombarded and burned San Juan del Norte (Greytown) to 
avenge an insult to the American Minister to Nicaragua. 
1855  
China. May 19 to 21. U.S. forces protected American interests in Shanghai and, from August 3 to 5, 
fought pirates near Hong Kong. 
Fiji Islands. September 12 to November 4. An American naval force landed to seek reparations for 
depredations on American residents and seamen. 
Uruguay. November 25 to 29. United States and European naval forces landed to protect American 
interests during an attempted revolution in Montevideo. 
1856  
Panama, Republic of New Grenada. September 19 to 22. U.S. forces landed to protect American 
interests during an insurrection. 
China. October 22 to December 6. U.S. forces landed to protect American interests at Canton (now 
Guangzhou) during hostilities between the British and the Chinese and to avenge an assault upon an 
unarmed boat displaying the United States flag. 
1857  
Nicaragua. April to May, November to December. In May, Commander C.H. Davis, with some 
marines, received the surrender of Wil iam Walker, who had been attempting to gain control of the 
country and protected his men from the retaliation of native allies who had been fighting Walker. In 
November and December of the same year, United States vessels Saratoga, Wabash, and Fulton 
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opposed another attempt by Wil iam Walker to take control of Nicaragua. Commodore Hiram 
Paulding’s act of landing marines and compelling the removal of Walker to the United States was 
tacitly disavowed by Secretary of State Lewis Cass, and Paulding was forced into retirement. 
1858  
Uruguay. January 2 to 27. Forces from two United States warships landed to protect American 
property during a revolution in Montevideo. 
Fiji Islands. October 6 to 16. A U.S. marine expedition burned a native vil age in retaliation for the 
murder of two American traders on the island of Waya. 
1858-1859  
Turkey. The Secretary of State requested a display of naval force along the Levant after a massacre of 
Americans at Jaffa and mistreatment elsewhere “to remind the authorities (of Turkey) of the power 
of the United States.” 
1859  
Paraguay. Congress authorized a naval squadron to seek redress for an attack on a naval vessel in the 
Parana River during 1855. Apologies were made after a large display of force. 
Mexico. Two hundred United States soldiers crossed the Rio Grande in pursuit of the Mexican bandit 
Juan Cortina. 
China. July 31 to August 2. A naval force landed to protect American interests in Shanghai. 
1860  
Angola, Portuguese West Africa. March 1. American residents at Kissembo called upon American and 
British ships to protect lives and property during problems with natives. 
Colombia (Bay of Panama). September 27 to October 8. Naval forces landed to protect American 
interests during a revolution. 
1863  
Japan. July 16. The USS Wyoming retaliated against a firing on the American vessel Pembroke at 
Shimonoseki. 
1864  
Japan. July 14 to August 3. Naval forces protected the United States Minister to Japan when he visited 
Yedo (Edo) to negotiate American claims against Japan and to make his negotiations easier by 
impressing the Japanese with American power. 
Japan. September 4 to 14. Naval forces of the United States, Great Britain, France, and the 
Netherlands compelled Japan and the Prince of Nagato in particular to permit the Straits of 
Shimonoseki to be used by foreign shipping in accordance with treaties already signed. 
1865  
Panama. March 9 and 10. U.S. forces protected the lives and property of American residents during a 
revolution. 
1866  
China. From June 20 to July 7, U.S. forces punished an assault on the American consul at Newchwang 
(Yingkou). 
Mexico. To protect American residents, General Sedgwick and 100 men in November compelled the 
surrender of Matamoras. Three days later, he was ordered to withdraw and the act was repudiated 
by the President. 
1867  
Nicaragua. Marines occupied Managua and Leon. 
Formosa. June 13. A naval force landed and burned a number of huts to punish the murder of the 
crew of a wrecked American vessel. 
1868  
Japan (Osaka, Hiolo, Nagasaki, Yokohama, and Negata). February 4 to 8, April 4 to May 12, June 12 and 
13. U.S. forces were landed to protect American interests during the civil war in Japan. 
Uruguay. February 7 and 8, 19 to 26. U.S. forces protected foreign residents and the customhouse 
during an insurrection at Montevideo. 
Colombia. April. U.S. forces protected passengers and treasure in transit at Aspinwall (Colón) in the 
absence of local police or troops on the occasion of the death of the president of Colombia. 
1870  
Mexico. June 17 and 18. U.S. forces destroyed the pirate ship Forward, which had run aground in the 
Rio Tecapán. 
Hawaiian Islands. September 21. U.S. forces landed and placed the American flag at the Honolulu 
consulate at half-mast upon the death of Queen Kalama. 
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1871  
Korea. June 10 to 12. A U.S. naval force attacked and captured five forts to punish natives for 
depredations on Americans, particularly for murdering the crew of the USS General Sherman and 
burning the schooner and for later firing on other American small boats taking soundings up the Salee 
River. 
1873  
Colombia (Bay of Panama). May 7 to 22, September 23 to October 9. U.S. forces protected American 
interests during hostilities between local groups over control of the government of the State of 
Panama. 
1873-1896  
Mexico. United States troops crossed the Mexican border repeatedly in pursuit of cattle thieves and 
other brigands. There were some reciprocal pursuits by Mexican troops into border territory. 
Mexico protested frequently. Notable cases were at Remolino in May 1873 and at Las Cuevas in 
1875. While Washington often supported these excursions, formal agreements between Mexico and 
the United States, the first in 1882, finally legitimized such raids. They continued intermittently, with 
minor disputes, until 1896. 
1874  
Hawaiian Islands. February 12 to 20. Detachments from American vessels were landed to preserve 
order and protect American lives and interests during the coronation of a new king. 
1876  
Mexico. May 18. Marines were sent to police the town of Matamoros temporarily to protect 
American citizens and property while it was without other government. 
1882  
Egypt. July 14 to 18. American forces landed to protect American interests during warfare between 
British forces and Egyptians and the looting of the city of Alexandria by locals. 
1885  
Panama (Colón). January 18 and 19. U.S. forces were used to guard valuables in transit over the 
Panama Railroad and the safes and vaults of the Panama Railroad company during revolutionary 
activity. From March through May in the cities of Colón and Panama City, U.S. forces helped 
reestablish freedom of transit during revolutionary strife. 
1888  
Korea. June. A naval force was sent ashore to protect American residents in Seoul during unsettled 
political conditions when an outbreak of the populace was expected. 
Haiti. December 20. A display of force persuaded the Haitian government to give up an American 
steamer that had been seized on the charge of breach of blockade. 
1888-1889  
Samoa. November 14, 1888, to March 20, 1889. U.S. forces were landed to protect American citizens 
and the consulate during a native civil war. 
1889  
Hawaiian Islands. July 30 and 31. U.S. forces protected American interests at Honolulu during a 
revolution. 
1890  
Argentina. A naval party landed to protect the U.S. consulate and legation in Buenos Aires. 
1891  
Haiti. U.S. forces sought to protect American interest in guano, an organic fertilizer, on the 
uninhabited Navassa Island. 
Bering Strait. June 22 to October 5. The Bering Sea Squadron, combined operations by the U.S. and 
British navies, sought to stop seal poaching by boarding and expelling dozens of merchant vessels 
around the Aleutian islands. 
Chile. August 28 to 30. The USS Baltimore and USS San Francisco landed a party commanded by 
Captain Wil iam S. Muce, USMC, to guard the U.S. Consulate at Valparaiso during the Chilean civil 
war.  
1893  
Hawaii. January 16 to April 1. Marines were landed ostensibly to protect American lives and property, 
but many believed actually to promote a provisional government under Sanford B. Dole. This action 
was disavowed by the United States. 
1894  
Brazil. January. A display of naval force sought to protect American commerce and shipping at Rio de 
Janeiro during a Brazilian civil war.  
Nicaragua. July 6 to August 7. U.S. forces sought to protect American interests at Bluefields fol owing 
a revolution. 
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1894-1895  
China. In March 1894, Marines from the gunboat USS Monocacy provided an honor guard for the 
Chinese viceroy’s official visit to the U.S. consulate at Tientsin (now Tianjin). 
China. A naval vessel was beached and used as a fort at Newchwang (now Yingkou) for protection of 
American nationals. 
1894-1896  
Korea. July 24, 1894, to April 3, 1896. A guard of marines was sent to protect the American legation 
and American lives and interests at Seoul during and fol owing the Sino-Japanese War.  
1895  
Colombia. March 8 to 9. Lieutenant Ben Hebard Ful er led a landing party at Boca del Toro to protect 
American lives and property threatened by a political revolt. 
1896  
Nicaragua. May 2 to 4. U.S. forces protected American interests in Corinto during political unrest. 
1898  
Nicaragua. February 7 and 8. U.S. forces protected American lives and property at San Juan del Sur. 
1898  
The Spanish-American War. On April 25, 1898, the United States declared war with 
Spain. The war fol owed a Cuban insurrection against Spanish rule and the sinking of the USS Maine 
in the harbor at Havana. 
1898-1899  
China. November 5, 1898, to March 15, 1899. U.S. forces provided a guard for the legation at Peking 
and the consulate at Tientsin during contest between the Dowager Empress and her son. 
1899  
Nicaragua. American and British naval forces were landed to protect national interests at San Juan del 
Norte, February 22 to March 5, and at Bluefields a few weeks later in connection with the 
insurrection of General Juan P. Reyes. 
Samoa. February-May 15. American and British naval forces were landed to protect national interests 
and to take part in a bloody contention over the succession to the throne. 
1899-1901  
Philippine Islands. U.S. forces protected American interests fol owing the war with Spain and 
conquered the islands by defeating the Filipinos in their war for independence. 
1900  
China. May 24 to September 28. American troops participated in operations to protect foreign lives 
during the Boxer rising, particularly at Peking. For many years after this experience, a permanent 
legation guard was maintained in Peking and was strengthened at times as trouble threatened. 
1901  
Colombia (State of Panama). November 20 to December 4. U.S. forces protected American property 
on the Isthmus and kept transit lines open during serious revolutionary disturbances. 
1902  
Colombia. April 16 to 23. U.S. forces protected American lives and property at Bocas del Toro during 
a civil war. 
Colombia (State of Panama). September 17 to November 18. The United States placed armed guards 
on all trains crossing the Isthmus to keep the railroad line open, and stationed ships on both sides of 
Panama to prevent the landing of Colombian troops. 
1903  
Honduras. March 23 to 30 or 31. U.S. forces protected the American consulate and the steamship 
wharf at Puerto Cortez during a period of revolutionary activity. 
Dominican Republic. March 30 to April 21. A detachment of marines was landed to protect American 
interests in the city of Santo Domingo during a revolutionary outbreak. 
Syria. September 7 to 12. U.S. forces protected the American consulate in Beirut when a local 
Moslem uprising was feared. 
1903-1904  
Abyssinia. Twenty-five marines were sent to Abyssinia to protect the U.S. Consul General while he 
negotiated a treaty. 
1903-1914  
Panama. U.S. forces sought to protect American interests and lives during and fol owing the 
revolution for independence from Colombia over construction of the Isthmian Canal. With brief 
intermissions, United States Marines were stationed on the Isthmus from November 4, 1903, to 
January 21, 1914, to guard American interests. 
1904  
Dominican Republic. January 2 to February 11. American and British naval forces established an area in 
which no fighting would be allowed and protected American interests in Puerto Plata and Sosúa and 
Santo Domingo City during revolutionary fighting. 
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Tangier, Morocco. A squadron demonstrated to force the release of a kidnapped Americans Ion 
Hanford Perdicaris and Cromwell Varley. Marines were landed to protect the consul general. 
Panama. November 17 to 24. U.S. forces protected American lives and property at Ancon at the time 
of a threatened insurrection. 
1904-1905  
Korea. January 5, 1904, to November 11, 1905. A guard of Marines was sent to protect the American 
legation in Seoul during the Russo-Japanese War. 
1906-1909  
Cuba. September 1906 to January 23, 1909. U.S. forces sought to restore order, protect foreigners, 
and establish a stable government after serious revolutionary activity. 
1907  
Honduras. March 18 to June 8. To protect American interests during a war between Honduras and 
Nicaragua, troops were stationed in Trujil o, La Ceiba, Puerto Cortez, San Pedro, Laguna, and 
Choloma. 
1910  
Nicaragua. May 19 to September 4. U.S. forces protected American interests at Bluefields. 
1911  
Honduras. January 26. American naval detachments were landed to protect American lives and 
interests during a civil war in Honduras. 
China. As the nationalist revolution approached, in October an ensign and 10 men tried to enter 
Wuchang to rescue missionaries but retired on being warned away, and a small landing force guarded 
American private property and consulate at Hankow (Hankou). Marines were deployed in November 
to guard the cable stations at Shanghai; landing forces were sent for protection in Nanking, Chinkiang, 
Taku, and elsewhere. 
1912  
Honduras. A small force landed to prevent seizure by the government of an American-owned railroad 
at Puerto Cortez. The forces were withdrawn after the United States disapproved the action. 
Panama. U.S. troops, on request of both political parties, supervised elections outside the Canal Zone. 
Cuba. June 5 to August 5. U.S. forces protected American interests on the Province of Oriente 
(before 1905 known as Santiago de Cuba Province), and in Havana. 
China. August 24 to 26, on Kentucky Island, and August 26 to 30 at Camp Nicholson. U.S. forces 
protected Americans and American interests during revolutionary activity. 
Turkey. November 18 to December 3. U.S. forces guarded the American legation at Constantinople 
during a Balkan War. 
1912-1925  
Nicaragua. August to November 1912. U.S. forces protected American interests during an attempted 
revolution. A small force, serving as a legation guard and seeking to promote peace and stability, 
remained until August 5, 1925. 
1912-1941  
China. The disorders which began with the overthrow of the dynasty during Kuomintang rebellion in 
1912, which were redirected by the invasion of China by Japan, led to demonstrations and landing 
parties for the protection of U.S. interests in China continuously and at many points from 1912 on to 
1941. The guard at Peking and along the route to the sea was maintained until 1941. In 1927, the 
United States had 5,670 troops ashore in China and 44 naval vessels in its waters. In 1933 the United 
States had 3,027 armed men ashore. The protective action was generally based on treaties with China 
concluded from 1858 to 1901. 
1913  
Mexico. September 5 to 7. A few marines landed at Estero de Ciaris to aid in evacuating American 
citizens and others from the Yaqui Valley, made dangerous for foreigners by civil strife. 
1914  
Haiti. January 29 to February 9, February 20 to 21, October 19. Intermittently, U.S. naval forces 
protected American nationals in a time of rioting and revolution. 
Dominican Republic. June and July. During a revolutionary movement, United States naval forces by 
gunfire stopped the bombardment of Puerto Plata, and by threat of force maintained Santo Domingo 
City as a neutral zone. 
1914-1917  
Mexico. Undeclared Mexican-American hostilities fol owed the Dolphin affair and Vil a’s raids and 
included capture of Vera Cruz and later Pershing’s expedition into northern Mexico. 
1915-1934  
Haiti. July 28, 1915, to August 15, 1934. U.S. forces maintained order during a period of chronic 
political instability. 
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1916  
China. American forces landed to quell a riot taking place on American property in Nanking. 
1916-1924  
Dominican Republic. May 1916 to September 1924. American naval forces maintained order during a 
period of chronic and threatened insurrection. 
1917  
China. American troops were landed at Chungking to protect American lives during a political crisis. 
1917-1918  
World War I. On April 6, 1917, the United States declared war with Germany and on 
December 7, 1917, with Austria-Hungary. Entrance of the United States into the war was 
precipitated by Germany’s submarine warfare against neutral shipping. 
1917-1922  
Cuba. U.S. forces protected American interests during an insurrection and subsequent unsettled 
conditions. Most of the United States Armed Forces left Cuba by August 1919, but two companies 
remained at Camaguey until February 1922. 
1918-1919  
Mexico. After withdrawal of the Pershing expedition, U.S. troops entered Mexico in pursuit of bandits 
at least three times in 1918 and six times in 1919. In August 1918 American and Mexican troops 
fought at Nogales. 
1918-1920  
Panama. U.S. forces were used for police duty according to treaty stipulations, in Chiriquí Province, 
during election disturbances and subsequent unrest. 
Soviet Russia. Marines were landed at and near Vladivostok in June and July to protect the American 
consulate and other points in the fighting between the Bolshevik troops and the Czech Army, which 
had traversed Siberia from the western front. A joint proclamation of emergency government and 
neutrality was issued by the American, Japanese, British, French, and Czech commanders in July. In 
August 7,000 men were landed in Vladivostok and remained until January 1920, as part of an allied 
occupation force. In September 1918, 5,000 American troops joined the allied intervention force at 
Archangel and remained until June 1919. These operations were in response to the Bolshevik 
revolution in Russia and were partly supported by Czarist or Kerensky elements. 
1919  
Dalmatia. U.S. forces were landed at Trau (now Trogir, Croatia) at the request of Italian authorities to 
police order between the Italians and Serbs. 
Turkey. Marines from the USS Arizona were landed to guard the U.S. Consulate during the Greek 
occupation of Constantinople. 
Honduras. September 8 to 12. A landing force was sent ashore to maintain order in a neutral zone 
during an attempted revolution. 
1920  
China. March 14. A landing force was sent ashore for a few hours to protect lives during a disturbance 
at Kiukiang (Jiujiang). 
Guatemala. April 9 to 27. U.S. forces protected the American legation and other American interests, 
such as the cable station, during a period of fighting between Unionists and the government of 
Guatemala. 
1920-1922  
Russia (Siberia). February 16, 1920, to November 19, 1922. A Marine guard was sent to protect the 
United States radio station and property on Russian Island, Bay of Vladivostok. 
1921  
Panama-Costa Rica. American naval squadrons demonstrated in April on both sides of the Isthmus to 
prevent war between the two countries over a boundary dispute. 
1922  
Turkey. September and October. A landing force was sent ashore with consent of both Greek and 
Turkish authorities to protect American lives and property when the Turkish Nationalists entered 
Smyrna. 
1922-1923  
China. Between April 1922 and November 1923 marines were landed five times to protect Americans 
during periods of unrest. 
1924  
Honduras. February 28 to March 31, September 10 to 15. U.S. forces protected American lives and 
interests during election hostilities. 
China. September. Marines were landed to protect Americans and other foreigners in Shanghai during 
Chinese factional hostilities. 
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1925  
China. January 15 to August 29. Fighting of Chinese factions accompanied by riots and demonstrations 
in Shanghai brought the landing of American forces to protect lives and property in the International 
Settlement. 
Honduras. April 19 to 21. U.S. forces protected foreigners at La Ceiba during a political upheaval. 
Panama. October 12 to 23. Strikes and rent riots led to the landing of about 600 American troops to 
keep order and protect American interests. 
1926-1933  
Nicaragua. May 7 to June 5, 1926; August 27, 1926, to January 3, 1933. The coup d’état of General 
Chamorro aroused revolutionary activities leading to the landing of American marines to protect the 
interests of the United States. United States forces came and went intermittently until January 3, 
1933. 
1926  
China. August and September. The Nationalist attack on Hankow brought the landing of American 
naval forces to protect American citizens. A small guard was maintained at the consulate general even 
after September 16, when the rest of the forces were withdrawn. Likewise, when Nationalist forces 
captured Kiukiang, naval forces were landed for the protection of foreigners November 4 to 6. 
1927  
China. February. Fighting at Shanghai caused American naval forces and marines to be increased. In 
March, a naval guard was stationed at the American consulate at Nanking after Nationalist forces 
captured the city. American and British destroyers later used shell fire to protect Americans and 
other foreigners. Subsequently additional forces of marines and naval vessels were stationed in the 
vicinity of Shanghai and Tientsin. 
1932  
China. American forces were landed to protect American interests during the Japanese occupation of 
Shanghai. 
1933  
Cuba. During a revolution against President Gerardo Machado naval forces demonstrated but no 
landing was made. 
1934  
China. Marines landed at Foochow to protect the American Consulate. 
1940  
Newfoundland, Bermuda, St. Lucia, Bahamas, Jamaica, Antigua, Trinidad, and British Guiana. Troops were 
sent to guard air and naval bases obtained by negotiation with Great Britain. These were sometimes 
called lend-lease bases. 
1941  
Greenland. Greenland was taken under protection of the United States in April. 
Netherlands (Dutch Guiana). In November the President ordered American troops to occupy Dutch 
Guiana, but by agreement with the Netherlands government in exile, Brazil cooperated to protect 
aluminum ore supply from the bauxite mines in Surinam. 
Iceland. Iceland was taken under the protection of the United States, with consent of its government, 
for strategic reasons. 
Germany. Sometime in the spring, the President ordered the Navy to patrol ship lanes to Europe. By 
July U.S. warships were convoying and by September were attacking German submarines. In 
November, the Neutrality Act was partly repealed to protect U.S. military aid to Britain. 
1941-1945  
World War II. On December 8, 1941, the United States declared war with Japan, on 
December 11 with Germany and Italy, and on June 5, 1942, with Bulgaria, Hungary, and 
Romania. The United States declared war against Japan after the surprise bombing of Pearl Harbor, 
and against Germany and Italy after those nations, under the dictators Hitler and Mussolini, declared 
war against the United States. The United States declared war against Bulgaria, Hungary, and Romania 
in response to the declarations of war by those nations against the United States. 
1945  
China. In October, 50,000 U.S. Marines were sent to North China to assist Chinese Nationalist 
authorities in disarming and repatriating the Japanese in China and in control ing ports, railroads, and 
airfields. This was in addition to approximately 60,000 U.S. forces remaining in China at the end of 
World War II. 
1946  
Trieste. President Truman ordered the augmentation of U.S. troops along the zonal occupation line 
and the reinforcement of air forces in northern Italy after Yugoslav forces shot down an unarmed 
U.S. Army transport plane flying over Friuli Venezia Giulia. Earlier U.S. naval units had been 
dispatched to the scene. 
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1948  
Palestine. A marine consular guard was sent to Jerusalem to protect the U.S. Consul General. 
Berlin. After the Soviet Union established a land blockade of the U.S., British, and French sectors of 
Berlin on June 24, 1948, the United States and its allies airlifted supplies to Berlin until after the 
blockade was lifted in May 1949. 
1948-1949  
China. Marines were dispatched to Nanking to protect the American embassy when the city fell to 
Communist troops, and to Shanghai to aid in the protection and evacuation of Americans. 
1950-1953  
Korean War. The United States responded to North Korean invasion of South Korea by going to its 
assistance, pursuant to United Nations Security Council resolutions. U.S. forces deployed in Korea 
exceeded 300,000 during the last year of the conflict. Over 36,600 U.S. military were kil ed in action. 
1950-1955  
Formosa (Taiwan). In June 1950 at the beginning of the Korean War, President Truman ordered the 
U.S. Seventh Fleet to prevent Chinese Communist attacks upon Formosa and Chinese Nationalist 
operations against mainland China. 
1954-1955  
China. Naval units evacuated U.S. civilians and military personnel from the Tachen (Dachen) Islands. 
1956  
Egypt. A marine battalion evacuated U.S. nationals and other persons from Alexandria during the Suez 
crisis. 
1958  
Lebanon. Marines were landed in Lebanon at the invitation of its government to help protect against 
threatened insurrection supported from the outside. The President’s action was supported by a 
congressional resolution passed in 1957 that authorized such actions in that area of the world. 
1959-1960  
The Caribbean. 2nd Marine Ground Task Force was deployed to protect U.S. nationals during the 
Cuban crisis. 
1962  
Thailand. The 3rd Marine Expeditionary Unit landed on May 17, 1962, to support that country during 
the threat of Communist pressure from outside; by July 30 the 5,000 marines had been withdrawn. 
Cuba. On October 22, President Kennedy instituted “quarantine” on the shipment of offensive 
missiles to Cuba from the Soviet Union. He also warned the Soviet Union that the launching of any 
missile from Cuba against any nation in the Western Hemisphere would bring about U.S. nuclear 
retaliation on the Soviet Union. A negotiated settlement was achieved in a few days.  
1962-1975  
Laos. From October 1962 until 1975, the United States played an important role in military support of 
anti-Communist forces in Laos. 
1964  
Congo. The United States sent four transport planes to provide airlift for Congolese troops during a 
rebellion and to transport Belgian paratroopers to rescue foreigners. 
1964-1973  
Vietnam War. U.S. military advisers had been in South Vietnam for a decade, and their numbers had 
been increased as the military position of the Saigon government became weaker. After citing what he 
termed were attacks on U.S. destroyers in the Tonkin Gulf, President Johnson asked in August 1964 
for a resolution expressing U.S. determination to support freedom and protect peace in Southeast 
Asia. Congress responded with the Tonkin Gulf Resolution, expressing support for “all necessary 
measures” the President might take to repel armed attack against U.S. forces and prevent further 
aggression. Fol owing this resolution, and fol owing a Communist attack on a U.S. installation in 
central Vietnam, the United States escalated its participation in the war to a peak of 543,000 military 
personnel by April 1969. 
1965  
Dominican Republic. The United States intervened to protect lives and property during a Dominican 
revolt and sent more troops as fears grew that the revolutionary forces were coming increasingly 
under Communist control. 
1967  
Congo. The United States sent three military transport aircraft with crews to provide the Congo 
central government with logistical support during a revolt. 
1970  
Cambodia. U.S. troops were ordered into Cambodia to clean out Communist sanctuaries from which 
Viet Cong and North Vietnamese attacked U.S. and South Vietnamese forces in Vietnam. The object 
of this attack, which lasted from April 30 to June 30, was to ensure the continuing safe withdrawal of 
American forces from South Vietnam and to assist the program of Vietnamization. 
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1974  
Evacuation from Cyprus. United States naval forces evacuated U.S. civilians during hostilities between 
Turkish and Greek Cypriot forces. 
1975  
Evacuation from Vietnam. On April 3, 1975, President Ford reported U.S. naval vessels, helicopters, and 
marines had been sent to assist in evacuation of refugees and U.S. nationals from Vietnam.2 
Evacuation from Cambodia. On April 12, 1975, President Ford reported that he had ordered U.S. 
military forces to proceed with the planned evacuation of U.S. citizens from Cambodia. 
South Vietnam. On April 30, 1975, President Ford reported that a force of 70 evacuation helicopters 
and 865 marines had evacuated about 1,400 U.S. citizens and 5,500 third country nationals and South 
Vietnamese from landing zones near the U.S. embassy in Saigon and the Tan Son Nhut Airfield. 
Mayaguez incident. On May 15, 1975, President Ford reported he had ordered military forces to 
retake the SS Mayaguez, a merchant vessel en route from Hong Kong to Thailand with a U.S. citizen 
crew which was seized by Cambodian naval patrol boats in international waters and forced to 
proceed to a nearby island. 
1976  
Lebanon. On July 22 and 23, 1974, helicopters from five U.S. naval vessels evacuated approximately 
250 Americans and Europeans from Lebanon during fighting between Lebanese factions after an 
overland convoy evacuation had been blocked by hostilities. 
Korea. Additional forces were sent to Korea after two American soldiers were kil ed by North 
Korean soldiers in the demilitarized zone between North and South Korea while cutting down a tree. 
1978  
Zaire. From May 19 through June 1978, the United States utilized military transport aircraft to provide 
logistical support to Belgian and French rescue operations in Zaire. 
1980  
Iran. On April 26, 1980, President Carter reported the use of six U.S. transport planes and eight 
helicopters in an unsuccessful attempt to rescue American hostages being held in Iran. 
1981  
El Salvador. After a gueril a offensive against the government of El Salvador, additional U.S. military 
advisers were sent to El Salvador, bringing the total to approximately 55, to assist in training 
government forces in counterinsurgency. 
Libya. On August 19, 1981, U.S. planes based on the carrier USS Nimitz shot down two Libyan jets 
over the Gulf of Sidra after one of the Libyan jets had fired a heat-seeking missile. The United States 
periodically held freedom of navigation exercises in the Gulf of Sidra, claimed by Libya as territorial 
waters but considered international waters by the United States.  
1982  
Sinai. On March 19, 1982, President Reagan reported the deployment of military personnel and 
equipment to participate in the Multinational Force and Observers in the Sinai. Participation had been 
authorized by the Multinational Force and Observers Resolution, P.L. 97-132. 
Lebanon. On August 21, 1982, President Reagan reported the dispatch of 800 marines to serve in the 
multinational force to assist in the withdrawal of members of the Palestine Liberation force from 
Beirut. The Marines left September 20, 1982. 
1982-1983  
Lebanon. On September 29, 1982, President Reagan reported the deployment of 1,200 marines to 
serve in a temporary multinational force to facilitate the restoration of Lebanese government 
sovereignty. On September 29, 1983, Congress passed the Multinational Force in Lebanon Resolution 
(P.L. 98-119) authorizing the continued participation for 18 months. 
1983  
Egypt. After a Libyan plane bombed a city in Sudan on March 18, 1983, and Sudan and Egypt appealed 
for assistance, the United States dispatched an AWACS electronic surveillance plane to Egypt.  
1983-1989  
Honduras. In July 1983 the United States undertook a series of exercises in Honduras that some 
believed might lead to conflict with Nicaragua. On March 25, 1986, unarmed U.S. military helicopters 
and crewmen ferried Honduran troops to the Nicaraguan border to repel Nicaraguan troops. 
                                                 
2 This and subsequent mentions of presidential reports or notifications refer to reports the President submitted to 
Congress related to the War Powers Resolution (P.L. 93-148, November 7, 1973). Background information on the 
discussion of the War Powers Resolution and various types of reports required under it was included in CRS Report 
R42699, The War Powers Resolution: Concepts and Practice, by Matthew C. Weed, and “The War Powers 
Resolution,” by Christine Sellers. Law Library Blog, Library of Congress, October 27, 2011, at 
https://blogs.loc.gov/law/2011/10/the-war-powers-resolution/. 
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1983  
Chad. On August 8, 1983, President Reagan reported the deployment of two AWACS electronic 
surveillance planes and eight F-15 fighter planes and ground logistical support forces to assist Chad 
against Libyan and rebel forces. 
Grenada. On October 25, 1983, President Reagan reported a landing on Grenada by Marines and 
Army airborne troops to protect lives and assist in the restoration of law and order and at the 
request of five members of the Organization of Eastern Caribbean States. 
1984  
Persian Gulf. On June 5, 1984, Saudi Arabian jet fighter planes, aided by intelligence from a U.S. 
AWACS electronic surveillance aircraft and fueled by a U.S. KC-10 tanker, shot down two Iranian 
fighter planes over an area of the Persian Gulf proclaimed as a protected zone for shipping. 
1985  
Italy. On October 10, 1985, U.S. Navy pilots intercepted an Egyptian airliner and forced it to land in 
Sicily. The airliner was carrying the hijackers of the Italian cruise ship Achille Lauro, who had kil ed an 
American citizen during the hijacking. 
1986  
Libya. On March 26, 1986, President Reagan reported to Congress that, on March 24 and 25, U.S. 
forces, while engaged in freedom of navigation exercises around the Gulf of Sidra, had been attacked 
by Libyan missiles and the United States had responded with missiles. 
Libya. On April 16, 1986, President Reagan reported that U.S. air and naval forces had conducted 
bombing strikes on terrorist facilities and military installations in Libya. 
Bolivia. U.S. Army personnel and aircraft assisted Bolivia in anti-drug operations. 
1987-1988  
Persian Gulf. After the Iran-Iraq War resulted in several military incidents in the Persian Gulf, the 
United States increased U.S. joint military forces operations in the Persian Gulf and adopted a policy 
of reflagging and escorting Kuwaiti oil tankers through the Gulf. President Reagan reported that U.S. 
Navy ships had been fired upon or struck mines or taken other military action on September 23, 
October 10, and October 20, 1987, and April 19, July 4, and July 14, 1988. The United States 
gradually reduced its forces after a cease-fire between Iran and Iraq on August 20, 1988. 
1988  
Panama. In mid-March and April 1988, during a period of instability in Panama and as pressure grew 
for Panamanian military leader General Manuel Noriega to resign, the United States sent 1,000 troops 
to Panama, to “further safeguard the canal, U.S. lives, property and interests in the area.” The forces 
supplemented 10,000 U.S. military personnel already in Panama. 
1989  
Libya. On January 4, 1989, two U.S. Navy F-14 aircraft based on the USS John F. Kennedy shot down 
two Libyan jet fighters over the Mediterranean Sea about 70 miles north of Libya. The U.S. pilots said 
the Libyan planes had demonstrated hostile intentions. 
Panama. On May 11, 1989, in response to General Noriega’s disregard of the results of the 
Panamanian election, President George H.W. Bush ordered a brigade-sized force of approximately 
1,900 troops to augment the estimated 11,000 U.S. forces already in the area. 
Andean Initiative in War on Drugs. On September 15, 1989, President Bush announced that military and 
law enforcement assistance would be sent to help the Andean nations of Colombia, Bolivia, and Peru 
combat il icit drug producers and traffickers. By mid-September there were 50-100 U.S. military 
advisers in Colombia in connection with transport and training in the use of military equipment, plus 
seven Special Forces teams of 2-12 persons to train troops in the three countries. 
Philippines. On December 2, 1989, President Bush reported that on December 1 U.S. fighter planes 
from Clark Air Base in the Philippines had assisted the Aquino government to repel a coup attempt. 
In addition, 100 marines were sent from the U.S. Navy base at Subic Bay to protect the U.S. embassy 
in Manila. 
1989-1990  
Panama. On December 21, 1989, President George H.W. Bush reported that he had ordered U.S. 
military forces to Panama to protect the lives of American citizens and bring General Noriega to 
justice. By February 13, 1990, all the invasion forces had been withdrawn. 
1990  
Liberia. On August 6, 1990, President George H.W. Bush reported that a reinforced rifle company 
had been sent to provide additional security to the U.S. embassy in Monrovia, and that helicopter 
teams had evacuated U.S. citizens from Liberia. 
Saudi Arabia. On August 9, 1990, President Bush reported that he had ordered the forward 
deployment of substantial elements of the U.S. Armed Forces into the Persian Gulf region to help 
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defend Saudi Arabia after the August 2 invasion of Kuwait by Iraq. On November 16, 1990, he 
reported the continued buildup of the forces to ensure an adequate offensive military option. 
1991  
Iraq. On January 18, 1991, President George H.W. Bush reported that he had directed U.S. Armed 
Forces to commence combat operations on January 16 against Iraqi forces and military targets in Iraq 
and Kuwait, in conjunction with a coalition of allies and U.N. Security Council resolutions. On January 
12, Congress had passed the Authorization for Use of Military Force against Iraq Resolution (P.L. 102-
1). Combat operations were suspended on February 28, 1991. 
Iraq. On May 17, 1991, President Bush stated in a status report to Congress that the Iraqi repression 
of the Kurdish people had necessitated a limited introduction of U.S. forces into northern Iraq for 
emergency relief purposes. 
Zaire. On September 25-27, 1991, after widespread looting and rioting broke out in Kinshasa, U.S. Air 
Force C-141s transported 100 Belgian troops and equipment into Kinshasa. U.S. planes also carried 
300 French troops into the Central African Republic and hauled back American citizens and third 
country nationals from locations outside Zaire. 
1992  
Sierra Leone. On May 3, 1992, U.S. military planes evacuated Americans from Sierra Leone, where 
military leaders had overthrown the government. 
Kuwait. On August 3, 1992, the United States began a series of military exercises in Kuwait, fol owing 
Iraqi refusal to recognize a new border drawn up by the United Nations and refusal to cooperate 
with U.N. inspection teams. 
Iraq. On September 16, 1992, President George H.W. Bush stated in a status report to Congress that 
he had ordered U.S. participation in the enforcement of a prohibition against Iraqi flights in a specified 
zone in southern Iraq, and aerial reconnaissance to monitor Iraqi compliance with the cease-fire 
resolution.  
Somalia. On December 10, 1992, President Bush reported that he had deployed U.S. Armed Forces 
to Somalia in response to a humanitarian crisis and a U.N. Security Council Resolution determining 
that the situation constituted a threat to international peace. This operation, called Operation 
Restore Hope, was part of a U.S.-led United Nations Unified Task Force (UNITAF) and came to an 
end on May 4, 1993. U.S. forces continued to participate in the successor United Nations Operation 
in Somalia (UNOSOM II), which the U.N. Security Council authorized to assist Somalia in political 
reconciliation and restoration of peace.  
1993  
Iraq. On January 19, 1993, President George H.W. Bush said in a status report that on December 27, 
1992, U.S. aircraft had shot down an Iraqi aircraft in the prohibited zone; on January 13 aircraft from 
the United States and coalition partners had attacked missile bases in southern Iraq; and further 
military actions had occurred on January 17 and 18. Administration officials said the United States was 
deploying a battalion task force to Kuwait to underline the continuing U.S. commitment to Kuwaiti 
independence. 
Iraq. On January 21, 1993, shortly after his inauguration, President Clinton said the United States 
would continue the Bush policy on Iraq, and U.S. aircraft fired at targets in Iraq after pilots sensed 
Iraqi radar or anti-aircraft fire directed at them. 
Bosnia. On February 28, 1993, the United States began an airdrop of relief supplies aimed at Muslims 
surrounded by Serbian forces in Bosnia. 
Bosnia. On April 13, 1993, President Clinton reported U.S. forces were participating in a North 
Atlantic Treaty Organization (NATO) air action to enforce a U.N. ban on all unauthorized military 
flights over Bosnia-Herzegovina. 
Iraq. In a status report on Iraq of May 24, President Clinton said that on April 9 and April 18 U.S. 
planes had bombed or fired missiles at Iraqi anti-aircraft sites that had tracked U.S. aircraft. 
Somalia. On June 10, 1993, President Clinton reported that in response to attacks against U.N. forces 
in Somalia by a factional leader, the U.S. Quick Reaction Force in the area had participated in military 
action to quell the violence. On July 1 President Clinton reported further air and ground military 
operations on June 12 and June 17 aimed at neutralizing military capabilities that had impeded U.N. 
efforts to deliver humanitarian relief and promote national reconstruction, and additional instances 
occurred in the fol owing months. 
Iraq. On June 28, 1993, President Clinton reported that on June 26 U.S. naval forces had launched 
missiles against the Iraqi Intelligence Service’s headquarters in Baghdad in response to an unsuccessful 
attempt to assassinate former President Bush in Kuwait in April 1993. 
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Iraq. In a status report of July 22, 1993, President Clinton said on June 19 a U.S. aircraft had fired a 
missile at an Iraqi anti-aircraft site displaying hostile intent. U.S. planes also bombed an Iraqi missile 
battery on August 19, 1993. 
Macedonia. On July 9, 1993, President Clinton reported the deployment of 350 U.S. soldiers to the 
former Yugoslav Republic of Macedonia to participate in the U.N. Protection Force to help maintain 
stability in the area of former Yugoslavia. 
Haiti. On October 20, 1993, President Clinton reported that U.S. ships had begun to enforce a U.N. 
embargo against Haiti. 
1994  
Bosnia. On February 17, 1994, President Clinton reported that the United States had expanded its 
participation in United Nations and NATO efforts to reach a peaceful solution to the conflict in 
former Yugoslavia and that 60 U.S. aircraft were available for participation in the authorized NATO 
missions. 
Bosnia. On March 1, 1994, President Clinton reported that on February 28 U.S. planes patrol ing the 
“no-fly zone” in former Yugoslavia under NATO shot down four Serbian Galeb planes. 
Bosnia. On April 12, 1994, President Clinton reported that on April 10 and 11, U.S. warplanes under 
NATO command had fired against Bosnian Serb forces shelling the “safe” city of Gorazde. 
Rwanda. On April 12, 1994, President Clinton reported that combat-equipped U.S. military forces had 
been deployed to Burundi to conduct possible non-combatant evacuation operations of U.S. citizens 
and other third-country nationals from Rwanda, where widespread fighting had broken out. By 
September 30, 1994, all U.S. troops had departed from Rwanda and surrounding nations. In the 
Defense Appropriations Act for FY1995 (P.L. 103-335, signed September 30, 1994), Congress barred 
use of funds for U.S. military participation in or around Rwanda after October 7, 1994, except for any 
action necessary to protect U.S. citizens. 
Macedonia. On April 19, 1994, President Clinton reported that the U.S. contingent in the former 
Yugoslav Republic of Macedonia had been augmented by a reinforced company of 200 personnel. 
Haiti. On April 20, 1994, President Clinton reported that U.S. naval forces had continued 
enforcement of the U.N. embargo in the waters around Haiti and that 712 vessels had been boarded 
since October 20, 1993. 
Bosnia. On August 22, 1994, President Clinton reported the use on August 5 of U.S. aircraft under 
NATO to attack Bosnian Serb heavy weapons in the Sarajevo heavy weapons exclusion zone upon 
request of the U.N. Protection Forces. 
Haiti. On September 21, 1994, President Clinton reported the deployment of 1,500 troops to Haiti to 
restore democracy in Haiti. The troop level was subsequently increased to 20,000.  
Bosnia. On November 22, 1994, President Clinton reported the use of U.S. combat aircraft on 
November 21, 1994, under NATO, to attack bases used by Serbs to attack the town of Bihac in 
Bosnia. 
Macedonia. On December 22, 1994, President Clinton reported that the U.S. Army contingent in the 
former Yugoslav Republic of Macedonia continued its peacekeeping mission and that the current 
contingent would soon be replaced by about 500 soldiers from the 3rd Battalion, 5th Cavalry 
Regiment, and 1st Armored Division from Kirchgoens, Germany. 
1995  
Somalia. On March 1, 1995, President Clinton reported that on February 27, 1995, 1,800 combat-
equipped U.S. Armed Forces personnel began deployment into Mogadishu, Somalia, to assist in the 
withdrawal of U.N. forces assigned there to the United Nations Operation in Somalia (UNOSOM II). 
This mission was completed on March 3, 1995. 
Haiti. On March 21, 1995, President Clinton reported that U.S. military forces in Haiti as part of a 
U.N. Multinational Force had been reduced to just fewer than 5,300 personnel. He noted that as of 
March 31, 1995, approximately 2,500 U.S. personnel would remain in Haiti as part of the U.N. 
Mission in Haiti (UNMIH). 
Bosnia. On May 24, 1995, President Clinton reported that U.S. combat-equipped fighter aircraft and 
other aircraft continued to contribute to NATO’s enforcement of the no-fly zone in airspace over 
Bosnia-Herzegovina. U.S. aircraft, he noted, were also available for close air support of U.N. forces in 
Croatia. Roughly 500 U.S. soldiers continued to be deployed in the former Yugoslav Republic of 
Macedonia as part of the U.N. Preventive Deployment Force (UNPREDEP). U.S. forces continued to 
support U.N. refugee and embargo operations in this region. 
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Bosnia. On September 1, 1995, President Clinton reported that “U.S. combat and support aircraft” 
had been used beginning on August 29, 1995, in a series of NATO air strikes against Bosnian Serb 
Army (BSA) forces in Bosnia-Herzegovina that were threatening the U.N.-declared safe areas of 
Sarajevo, Tuzla, and Gorazde. He noted that during the first day of operations, “some 300 sorties 
were flown against 23 targets in the vicinity of Sarajevo, Tuzla, Gorazde and Mostar.” 
Haiti. On September 21, 1995, President Clinton reported that currently the United States had 2,400 
military personnel in Haiti as participants in UNMIH. In addition, 260 U.S. military personnel were 
assigned to the U.S. Support Group Haiti. 
Bosnia. On December 6, 1995, President Clinton reported to Congress that he had “ordered the 
deployment of approximately 1,500 U.S. military personnel” to Bosnia-Herzegovina and Croatia as 
part of a NATO “enabling force” to lay the groundwork for the prompt and safe deployment of the 
NATO-led Implementation Force (IFOR),” which would be used to implement the Bosnian peace 
agreement after its signing. The President also noted that he had authorized deployment of roughly 
3,000 other U.S. military personnel to Hungary, Italy, and Croatia to establish infrastructure for the 
enabling force and the IFOR. 
Bosnia. On December 21, 1995, President Clinton reported to Congress that he had ordered the 
deployment of approximately 20,000 U.S. military personnel to participate in IFOR in the Republic of 
Bosnia-Herzegovina, and approximately 5,000 U.S. military personnel would be deployed in other 
former Yugoslav states, primarily in Croatia. In addition, about 7,000 U.S. support forces would be 
deployed to Hungary, Italy, and Croatia and other regional states in support of IFOR’s mission. 
1996  
Haiti. On March 21, 1996, President Clinton reported to Congress that beginning in January 1996 
there had been a “phased reduction” in the number of United States personnel assigned to UNMIH. 
As of March 21, 309 U.S. personnel remained a part of UNMIH. These U.S. forces were “equipped 
for combat.” 
Liberia. On April 11, 1996, President Clinton reported to Congress that on April 9, 1996, due to the 
“deterioration of the security situation and the resulting threat to American citizens” in Liberia he 
had ordered U.S. military forces to evacuate from that country “private U.S. citizens and certain 
third-country nationals who had taken refuge in the U.S. Embassy compound.”  
Liberia. On May 20, 1996, President Clinton reported to Congress the continued deployment of U.S. 
military forces in Liberia to evacuate both American citizens and other foreign personnel, and to 
respond to various isolated “attacks on the American Embassy complex” in Liberia. The President 
noted that the deployment of U.S. forces would continue until there was no longer any need for 
enhanced security at the embassy and a requirement to maintain an evacuation capability in the 
country. 
Central African Republic. On May 23, 1996, President Clinton reported to Congress the deployment of 
U.S. military personnel to Bangui, Central African Republic, to conduct the evacuation from that 
country of “private U.S. citizens and certain U.S. Government employees,” and to provide “enhanced 
security for the American Embassy in Bangui.” 
Bosnia. On June 21, 1996, President Clinton reported to Congress that United States forces totaling 
about 17,000 remain deployed in Bosnia “under NATO operational command and control” as part of 
the NATO Implementation Force (IFOR). In addition, about 5,500 U.S. military personnel were 
deployed in Hungary, Italy, and Croatia, and other regional states to provide “logistical and other 
support to IFOR.” The President noted that it was the intention that IFOR would complete the 
withdrawal of all troops in the weeks after December 20, 1996, on a schedule “set by NATO 
commanders consistent with the safety of troops and the logistical requirements for an orderly 
withdrawal.” He also noted that a U.S. Army contingent (of about 500 U.S. soldiers) remained in the 
Former Yugoslav Republic of Macedonia as part of the United Nations Preventive Deployment Force 
(UNPREDEP). 
Rwanda and Zaire. On December 2, 1996, President Clinton reported to Congress that to support 
the humanitarian efforts of the United Nations regarding refugees in Rwanda and the Great Lakes 
Region of Eastern Zaire, he had authorized the use of U.S. personnel and aircraft, including AC-130U 
planes to help in surveying the region in support of humanitarian operations, although fighting stil  was 
occurring in the area, and U.S. aircraft had been subject to fire when on flight duty. 
Bosnia. On December 20, 1996, President Clinton reported to Congress that he had authorized U.S. 
participation in an IFOR follow-on force in Bosnia, known as SFOR (Stabilization Force), under 
NATO command. The President said the U.S. forces contribution to SFOR was to be “about 8,500” 
personnel whose primary mission is to deter or prevent a resumption of hostilities or new threats to 
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peace in Bosnia. SFOR’s duration in Bosnia was expected to be 18 months, with progressive 
reductions and eventual withdrawal. 
1997  
Albania. On March 15, 1997, President Clinton reported to Congress that on March 13, 1997, he had 
utilized U.S. military forces to evacuate certain U.S. government employees and private U.S. citizens 
from Tirana, Albania, and to enhance security for the U.S. embassy in that city. 
Congo and Gabon. On March 27, 1997, President Clinton reported to Congress that, on March 25, 
1997, a standby evacuation force of U.S. military personnel had been deployed to Congo and Gabon 
to provide enhanced security for American private citizens, government employees, and selected 
third country nationals in Zaire, and to be available for any necessary evacuation operation. 
Sierra Leone. On May 30, 1997, President Clinton reported to Congress that on May 29 and May 30, 
1997, U.S. military personnel were deployed to Freetown, Sierra Leone, to prepare for and undertake 
the evacuation of certain U.S. government employees and private U.S. citizens. 
Bosnia. On June 20, 1997, President Clinton reported to Congress that U.S. Armed Forces continued 
to support peacekeeping operations in Bosnia and other states in the region in support of the NATO-
led Stabilization Force (SFOR). He reported that currently most U.S. military personnel involved in 
SFOR were in Bosnia, near Tuzla, and about 2,800 U.S. troops were deployed in Hungary, Croatia, 
Italy, and other regional states to provide logistics and other support to SFOR. A U.S. Army 
contingent of about 500 also remained in the Former Yugoslav Republic of Macedonia as part of the 
UNPREDEP. 
Cambodia. On July 11, 1997, President Clinton reported to Congress that in an effort to ensure the 
security of American citizens in Cambodia during a period of domestic conflict there, he had deployed 
a Task Force of about 550 U.S. military personnel to U-Tapao Air Base in Thailand. These personnel 
were to be available for possible emergency evacuation operations in Cambodia as deemed necessary. 
Bosnia. On December 19, 1997, President Clinton reported to Congress that he intended “in 
principle” to have the United States participate in a security presence in Bosnia when the NATO 
SFOR contingent withdrew in the summer of 1998. 
1998  
Guinea-Bissau. On June 12, 1998, President Clinton reported to Congress that, on June 10, 1998, in 
response to an army mutiny in Guinea-Bissau endangering the U.S. embassy, U.S. government 
employees, and U.S. citizens in that country, he had deployed a standby evacuation force of U.S. 
military personnel to Dakar, Senegal, to remove such individuals, as well as selected third country 
nationals, from the city of Bissau. The deployment continued until the necessary evacuations were 
completed. 
Bosnia. On June 19, 1998, President Clinton reported to Congress regarding activities in the last six 
months of combat-equipped U.S. forces in support of NATO’s SFOR in Bosnia and surrounding areas 
of former Yugoslavia. 
Kenya and Tanzania. On August 10, 1998, President Clinton reported to Congress that he had 
deployed, on August 7, 1998, Joint Task Force of U.S. military personnel to Nairobi, Kenya, to 
coordinate the medical and disaster assistance related to the bombings of the U.S. Embassies in Kenya 
and Tanzania. He also reported that teams of 50-100 security personnel had arrived in Nairobi, 
Kenya, and Dar es Salaam, Tanzania, to enhance the security of the U.S. Embassies and citizens there. 
Albania. On August 18, 1998, President Clinton reported to Congress that he had, on August 16, 
1998, deployed 200 U.S. Marines and 10 Navy SEALS to the U.S. embassy compound in Tirana, 
Albania, to enhance security against reported threats against U.S. personnel. 
Afghanistan and Sudan. On August 21, 1998, by letter, President Clinton reported to Congress that he 
had authorized airstrikes on August 20 against camps and installations in Afghanistan and Sudan used 
by the Osama bin Laden terrorist organization. The President did so based on what he viewed as 
convincing information that the bin Laden organization was responsible for the bombings, on August 
7, 1998, of the U.S. Embassies in Kenya and Tanzania. 
Liberia. On September 29, 1998, President Clinton reported to Congress that on September 27, 1998, 
he had, due to political instability and civil disorder in Liberia, deployed a stand-by response and 
evacuation force of 30 U.S. military personnel to augment the security force at the U.S. embassy in 
Monrovia, and to provide for a rapid evacuation capability, as needed, to remove U.S. citizens and 
government personnel from the country. 
Iraq. During the period from December 16-23, 1998, the United States, together with the United 
Kingdom, conducted a bombing campaign, termed Operation Desert Fox, against Iraqi industrial 
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facilities deemed capable of producing weapons of mass destruction, and against other Iraqi military 
and security targets. 
1998-1999  
Iraq. Beginning in late December 1998, and continuing during 1999, the United States, together with 
forces of the coalition enforcing the “no-fly” zones over Iraq, conducted military operations against 
the Iraqi air defense system on numerous occasions in response to actual or potential threats against 
aircraft enforcing the “no-fly” zones in northern and southern Iraq. 
1999  
Bosnia. On January 19, 1999, President Clinton reported to Congress that he was continuing to 
authorize the use of combat-equipped U.S. Armed Forces in Bosnia and other states in the region as 
participants in and supporters of the NATO-led Stabilization Force (SFOR). He noted that the U.S. 
SFOR military personnel totaled about 6,900, with about 2,300 U.S. military personnel deployed to 
Hungary, Croatia, Italy, and other regional states. Also, some 350 U.S. military personnel remain 
deployed in the Former Yugoslav Republic of Macedonia (FYROM) as part of UNPREDEP. 
Kenya. On February 25, 1999, President Clinton reported to Congress that he was continuing to 
deploy U.S. military personnel in that country to assist in providing security for the U.S. embassy and 
American citizens in Nairobi, pending completion of renovations of the American embassy facility in 
Nairobi, subject of a terrorist bombing in August 1998. 
Yugoslavia. On March 26, 1999, President Clinton reported to Congress that, on March 24, 1999, U.S. 
military forces, at his direction, and in coalition with NATO allies, had commenced air strikes against 
Yugoslavia in response to the Yugoslav government’s campaign of violence and repression against the 
ethnic Albanian population in Kosovo. 
Yugoslavia/Albania. On April 7, 1999, President Clinton reported to Congress that he had ordered 
additional U.S. military forces to Albania, including rotary wing aircraft, artil ery, and tactical missiles 
systems to enhance NATO’s ability to conduct effective air operations in Yugoslavia. About 2,500 
soldiers and aviators are to be deployed as part of this task force. The President also reported the 
deployment of U.S. military forces to Albania and Macedonia to support humanitarian disaster relief 
operations for Kosovar refugees. 
Yugoslavia/Albania. On May 25, 1999, President Clinton reported to Congress, “consistent with the 
war Powers Resolution,” that he had directed “deployment of additional aircraft and forces to 
support NATO’s ongoing efforts [against Yugoslavia], including several thousand additional U.S. 
Armed Forces personnel to Albania in support of the deep strike force located there.” He also 
directed that additional U.S. forces be deployed to the region to assist in “humanitarian operations.” 
Yugoslavia/Kosovo. On June 12, 1999, President Clinton reported to Congress, “consistent with the 
War Powers Resolution,” that he had directed the deployment of about “7,000 U.S. military 
personnel as the U.S. contribution to the approximately 50,000-member, NATO-led security force 
(KFOR)” currently being assembled in Kosovo. He also noted that about “1,500 U.S. military 
personnel, under separate U.S. command and control, wil  deploy to other countries in the region, as 
our national support element, in support of KFOR.” 
Bosnia. On July 19, 1999, President Clinton reported to Congress, “consistent with the War Powers 
Resolution,” that about 6,200 U.S. military personnel were continuing to participate in the NATO-led 
Stabilization Force (SFOR) in Bosnia, and that another 2,200 personnel were supporting SFOR 
operations from Hungary, Croatia, and Italy. He also noted that U.S. military personnel remain in the 
Former Yugoslav Republic of Macedonia to support the international security presence in Kosovo 
(KFOR). 
East Timor. On October 8, 1999, President Clinton reported to Congress “consistent with the War 
Powers Resolution” that he had directed the deployment of a limited number of U.S. military forces 
to East Timor to support the U.N. multinational force (INTERFET) aimed at restoring peace to East 
Timor. U.S. support has been limited initially to “communications, logistics, planning assistance and 
transportation.” The President further noted that he had authorized deployment of the amphibious 
ship USS Belleau Wood, together with its helicopters and her complement of personnel from the 31st 
Marine Expeditionary Unit (Special Operations Capable) (MEU SOC), to the East Timor region, to 
provide helicopter airlift and search and rescue support to the multinational operation. U.S. 
participation was anticipated to continue until the transition to a U.N. peacekeeping operation was 
complete. 
Yugoslavia/Kosovo. On December 15, 1999, President Clinton reported to Congress “consistent with 
the War Powers Resolution” that U.S. combat-equipped military personnel continued to serve as part 
of the NATO-led security force in Kosovo (KFOR). He noted that the American contribution to 
KFOR in Kosovo was “approximately 8,500 U.S. military personnel.” U.S. forces were deployed in a 
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sector around Uroševac (Ferizaj) in the eastern portion of Kosovo.” For U.S. KFOR forces, 
“maintaining public security is a key task.” Other U.S. military personnel are deployed to other 
countries in the region to serve in administrative and logistics support roles for U.S. forces in KFOR. 
Of these forces, about 1,500 U.S. military personnel are in Macedonia and Greece, and occasionally in 
Albania. 
1999-2000  
Iraq. At various times during 1999, and continuing throughout 2000, the United States, together with 
forces of the coalition enforcing the “no-fly” zones over Iraq, conducted military operations against 
the Iraqi air defense system on numerous occasions in response to actual or potential threats against 
aircraft enforcing the “no-fly” zones in northern and southern Iraq. 
2000  
Bosnia. On January 25, 2000, President Clinton reported to Congress “consistent with the War 
Powers Resolution” that the United States continued to provide combat-equipped U.S. Armed Forces 
to Bosnia-Herzegovina and other states in the region as part of the NATO led Stabilization Force 
(SFOR). The President noted that the U.S. force contribution was being reduced from “approximately 
6,200 to 4,600 personnel,” with the U.S. forces assigned to Multinational Division, North, around the 
city of Tuzla. He added that approximately 1,500 U.S. military personnel were deployed to Hungary, 
Croatia, and Italy to provide “logistical and other support to SFOR” and U.S. forces continue to 
support SFOR in “efforts to apprehend persons indicted for war crimes.” 
East Timor. On February 25, 2000, President Clinton reported to Congress “consistent with the War 
Powers Resolution” that he had authorized the participation of a small number of U.S. military 
personnel in support of the United Nations Transitional Administration in East Timor (UNTAET), 
which has a mandate to maintain law and order throughout East Timor, and to facilitate establishment 
of an effective administration there, delivery of humanitarian assistance, and support the building of 
self-government. The President reported that the U.S. contingent was small: three military observers, 
and one judge advocate. To facilitate and coordinate U.S. military activities in East Timor, the 
President also authorized the deployment of a support group (USGET), consisting of 30 U.S. 
personnel. U.S. personnel would be temporarily deployed to East Timor, on a rotational basis, and 
through periodic ship visits, during which U.S. forces would conduct “humanitarian and assistance 
activities throughout East Timor.” Rotational activities should continue through the summer of 2000. 
Sierra Leone. On May 12, 2000, President Clinton, “consistent with the War Powers Resolution,” 
reported to Congress that he had ordered a U.S. Navy patrol craft to deploy to Sierra Leone to be 
ready to support evacuation operations from that country if needed. He also authorized a U.S. C-17 
aircraft to deliver “ammunition, and other supplies and equipment” to Sierra Leone in support of 
United Nations peacekeeping operations there. 
Yugoslavia/Kosovo. On June 16, 2000, President Clinton reported to Congress, “consistent with the 
War Powers Resolution,” that the United States was continuing to provide military personnel to the 
NATO-led KFOR security force in Kosovo. U.S. forces were numbered at 7,500, but were scheduled 
to be reduced to 6,000 when ongoing troop rotations were completed. U.S. forces in Kosovo are 
assigned to a sector centered near Gnjilane (Gjilan) in eastern Kosovo. Other U.S. military personnel 
are deployed to other countries serving in administrative and logistics support roles, with 
approximately 1,000 U.S. personnel in Macedonia, Albania, and Greece. 
Bosnia. On July 25, 2000, President Clinton reported to Congress, “consistent with the War Powers 
Resolution,” that combat-equipped U.S. military personnel continued to participate in the NATO-led 
Stabilization Force (SFOR) in Bosnia-Herzegovina, being deployed to Bosnia and other states in the 
region in support of peacekeeping efforts in former Yugoslavia. U.S. military personnel levels have 
been reduced from 6,200 to 4,600. Apart from the forces in Bosnia, approximately 1,000 U.S. 
personnel continue to be deployed in support roles in Hungary, Croatia, and Italy. 
East Timor. On August 25, 2000, President Clinton reported to Congress, “consistent with the War 
Powers Resolution,” that the United States was currently contributing three military observers to the 
United Nations Transitional Administration in East Timor (UNTAET) that is charged by the U.N. with 
restoring and maintaining peace and security there. He also noted that the United States was 
maintaining a military presence in East Timor separate from UNTAET, comprised of about 30 U.S. 
personnel who facilitate and coordinate U.S. military activities in East Timor and rotational operations 
of U.S. forces there. U.S. forces currently conduct humanitarian and civic assistance activities for East 
Timor’s citizens. U.S. rotational presence operations in East Timor are presently expected, the 
President said, to continue through December 2000. 
Yemen. On October 14, 2000, President Clinton reported to Congress, “consistent with the War 
Powers Resolution,” that on October 12, 2000, in the wake of an attack on the USS Cole in the port 
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of Aden, Yemen, he had authorized deployment of about 45 military personnel from U.S. Naval 
Forces Central Command to Aden to provide “medical, security, and disaster response assistance.” 
The President further reported that on October 13, 2000, about 50 U.S. military security personnel 
arrived in Aden, and that additional “security elements” may be deployed to the area, to enhance the 
ability of the U.S. to ensure the security of the USS Cole and the personnel responding to the incident. 
In addition, two U.S. Navy surface combatant vessels are operating in or near Yemeni territorial 
waters to provide communications and other support, as required. 
Yugoslavia/Kosovo. On December 18, 2000, President Clinton reported to Congress, “consistent with 
the War Powers Resolution,” that the United States was continuing to provide approximately 5,600 
U.S. military personnel in support of peacekeeping efforts in Kosovo as part of KFOR. An additional 
500 U.S. military personnel are deployed as the National Support Element in Macedonia, with an 
occasional presence in Albania and Greece. U.S. forces are assigned to a sector around Gnjilane in the 
eastern portion of Kosovo. The President noted that the mission for these U.S. military forces is 
maintaining a safe and secure environment through conducting “security patrols in urban areas and in 
the countryside throughout their sector.”  
2001  
East Timor. On March 2, 2001, President George W. Bush reported to Congress, “consistent with the 
War Powers Resolution,” that U.S. Armed Forces were continuing to support the United Nations 
peacekeeping effort in East Timor aimed at providing security and maintaining law and order in East 
Timor, coordinating delivery of humanitarian assistance, and helping establish the basis for self-
government in East Timor. The United States currently has three military observers attached to 
UNTAET. The United States also has a separate military presence, the U.S. Support Group East 
Timor (USGET), of approximately 12 U.S. personnel, including a security detachment, which 
“facilitates and coordinates” U.S. military activities in East Timor. 
Yugoslavia/Kosovo. On May 18, 2001, President George W. Bush reported to Congress, “consistent 
with the War Powers Resolution,” that the United States was continuing to provide approximately 
6,000 U.S. military personnel in support of peacekeeping efforts in Kosovo as part of KFOR. An 
additional 500 U.S. military personnel are deployed as the National Support Element in Macedonia, 
with an occasional presence in Greece and Albania. U.S. forces in Kosovo are assigned to a sector 
around Gnjilane in the eastern portion. President Bush noted that the mission for these U.S. military 
forces is maintaining a safe and secure environment through conducting security patrols in urban 
areas and in the countryside through their sector.  
Bosnia. On July 25, 2001, President George W. Bush reported to Congress, “consistent with the War 
Powers Resolution,” that about 3,800 combat-equipped U.S. Armed Forces continued to be deployed 
in Bosnia-Herzegovina and other regional states as part of SFOR. Most were based at Tuzla in Bosnia. 
About 500 others were based in Hungary, Croatia, and Italy, providing logistical and other support. 
Iraq. At various times throughout 2001, the United States, together with forces of the coalition 
enforcing the “no-fly” zones over Iraq, conducted military operations against the Iraqi air defense 
system on numerous occasions in response to actual or potential threats against aircraft enforcing the 
“no-fly” zones in northern and southern Iraq. 
East Timor. On August 31, 2001, President George W. Bush reported to Congress, “consistent with 
the War Powers Resolution,” that U.S. Armed Forces were continuing to support the United Nations 
peacekeeping effort in East Timor aimed at providing security and maintaining law and order in East 
Timor, coordinating delivery of humanitarian assistance, and helping establish the basis for self-
government in East Timor. The United States currently has three military observers attached to 
UNTAET. The United States also has a separate military presence, USGET, of approximately 20 U.S. 
personnel, including a security detachment, which “facilitates and coordinates” U.S. military activities 
in East Timor, as well as a rotational presence of U.S. forces through temporary deployments to East 
Timor. The President stated that U.S. forces would continue a presence through December 2001, 
while options for a U.S. presence in 2002 are being reviewed, with the President’s objective being 
redeployment of USGET personnel, as circumstances permit. 
Terrorism threat. On September 24, 2001, President George W. Bush reported to Congress, 
“consistent with the War Powers Resolution” and “Senate Joint Resolution 23,” that in response to 
terrorist attacks on the World Trade Center and the Pentagon he had ordered the “deployment of 
various combat-equipped and combat support forces to a number of foreign nations in the Central 
and Pacific Command areas of operations.” The President noted in efforts to “prevent and deter 
terrorism” he might find it necessary to order “additional forces into these and other areas of the 
world.” He stated that he could not now predict “the scope and duration of these deployments,” or 
the “actions necessary to counter the terrorist threat to the United States.” 
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Afghanistan. On October 9, 2001, President George W. Bush reported to Congress, “consistent with 
the War Powers Resolution” and “Senate Joint Resolution 23,” that on October 7, 2001, U.S. Armed 
Forces “began combat action in Afghanistan against Al Qaida terrorists and their Taliban supporters.” 
The President stated that he had directed this military action in response to the September 11, 2001, 
attacks on U.S. “territory, our citizens, and our way of life, and to the continuing threat of terrorist 
acts against the United States and our friends and allies.” This military action was “part of our 
campaign against terrorism” and was “designed to disrupt the use of Afghanistan as a terrorist base of 
operations.” 
Yugoslavia/Kosovo. On November 19, 2001, President George W. Bush reported to Congress, 
“consistent with the War Powers Resolution,” that the United States was continuing to provide 
approximately 5,500 U.S. military personnel in support of peacekeeping efforts in Kosovo as part of 
KFOR. An additional 500 U.S. military personnel are deployed as the National Support Element in 
Macedonia, with an occasional presence in Greece and Albania. U.S. forces in Kosovo are assigned to 
a sector around Gnjilane in the eastern portion. President Bush noted that the mission for these U.S. 
military forces is maintaining a safe and secure environment through conducting security patrols in 
urban areas and in the countryside through their sector. 
2002  
Bosnia. On January 21, 2002, President George W. Bush reported to Congress, “consistent with the 
War Powers Resolution,” that about 3,100 combat-equipped U.S. Armed Forces continued to be 
deployed in Bosnia-Herzegovina and other regional states as part of the NATO-led Stabilization Force 
(SFOR). Most American forces were based at Tuzla in Bosnia. About 500 others were based in 
Hungary, Croatia, and Italy, providing logistical and other support. 
East Timor. On February 28, 2002, President George W. Bush reported to Congress, “consistent with 
the War Powers Resolution,” that U.S. Armed Forces were continuing to support the United Nations 
peacekeeping effort in East Timor aimed at providing security and maintaining law and order in East 
Timor, coordinating delivery of humanitarian assistance, and helping establish the basis for self-
government in East Timor. The United States currently has three military observers attached to 
UNTAET. The United States also has a separate military presence, USGET, composed of 
approximately 10 U.S. personnel, including a security detachment, which “facilitates and coordinates” 
U.S. military activities in East Timor, as well as a rotational presence of U.S. forces through temporary 
deployments to East Timor. The President stated that U.S. forces would continue a presence through 
2002. The President noted his objective was to gradually reduce the “rotational presence 
operations,” and to redeploy USGET personnel, as circumstances permitted. 
Terrorism threat. On March 20, 2002, President George W. Bush reported to Congress, “consistent 
with the War Powers Resolution,” on U.S. efforts in the “global war on Terrorism.” He noted that 
the “heart of the al-Qaeda training capability” had been “seriously degraded,” and that the remainder 
of the Taliban and the al-Qaeda fighters were being “actively pursued and engaged by the U.S., 
coalition and Afghan forces.” The United States was also conducting “maritime interception 
operations . . to locate and detain suspected al-Qaeda or Taliban leadership fleeing Afghanistan by 
sea.” At the Philippine government’s invitation, the President had ordered deployed “combat-
equipped and combat support forces to train with, advise, and assist” the Philippines’ Armed Forces in 
enhancing their “existing counterterrorist capabilities.” The strength of U.S. military forces working 
with the Philippines was projected to be 600 personnel. The President noted that he was “assessing 
options” for assisting other nations, including Georgia and Yemen, in enhancing their 
“counterterrorism capabilities, including training and equipping their armed forces.” He stated that 
U.S. combat-equipped and combat support forces would be necessary for these efforts, if undertaken. 
Yugoslavia/Kosovo. On May 17, 2002, President George W. Bush reported to Congress, “consistent 
with the War Powers Resolution,” that the U.S. military was continuing to support peacekeeping 
efforts of KFOR. He noted that the current U.S. contribution was about 5,100 military personnel, and 
an additional 468 personnel in Macedonia, with an occasional presence in Albania and Greece. 
Bosnia. On July 22, 2002, President George W. Bush reported to Congress, “consistent with the War 
Powers Resolution,” that the U.S. military was continuing to support peacekeeping efforts of SFOR in 
Bosnia-Herzegovina and other regional states. He noted that the current U.S. contribution was 
“approximately 2,400 personnel.” Most U.S. forces in Bosnia-Herzegovina are assigned to the 
Multinational Division, North, headquartered in Tuzla. An additional 60 U.S. military personnel are 
deployed to Hungary and Croatia to provide logistical and other support. 
Terrorism threat. On September 20, 2002, President Bush reported to Congress “consistent with the 
War Powers Resolution,” that U.S. “combat-equipped and combat support forces” had been 
deployed to the Philippines since January 2002 to train with, assist, and advise the Philippines’ Armed 
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Forces in enhancing their “counterterrorist capabilities.” He added that U.S. forces were conducting 
maritime interception operations in the Central and European Command areas to combat movement, 
arming, or financing of “international terrorists.” He also noted that U.S. combat personnel had been 
deployed to Georgia and Yemen to help enhance the “counterterrorist capabilities” of their armed 
forces. 
Cote d’Ivoire. On September 26, 2002, President Bush reported to Congress “consistent with the War 
Powers Resolution,” that in response to a rebellion in Cote d’Ivoire he had on September 25, 2002, 
sent U.S. military personnel into Cote d’Ivoire to assist in the evacuation of American citizens and 
third country nationals from the city of Bouake; and otherwise assist in other evacuations as 
necessary. 
Yugoslavia/Kosovo. On November 15, 2002, the President reported to Congress “consistent with the 
War Powers Resolution” that the United States was continuing to deploy combat equipped military 
personnel as part of KFOR. Currently there are approximately 4,350 U.S. military personnel in 
Kosovo, with an additional 266 military personnel in Macedonia. The United States also has an 
occasional presence in Albania and Greece, associated with the KFOR mission. 
2003  
Bosnia. On January 21, 2003, President George W. Bush reported to Congress, “consistent with the 
War Powers Resolution,” that about 1,800 U.S. Armed Forces personnel continued to be deployed in 
Bosnia-Herzegovina, and other regional states as part of SFOR. Most were based at Tuzla in Bosnia. 
About 80 others were based in Hungary and Croatia, providing logistical and other support. 
Terrorism threat. On March 20, 2003, President Bush reported to Congress, “consistent with the War 
Powers Resolution,” as well as P.L. 107-40, and “pursuant to” his authority as Commander-in-Chief, 
that he had continued a number of U.S. military operations globally in the war against terrorism. 
These military operations included ongoing U.S. actions against al-Qaeda fighters in Afghanistan; 
col aborative anti-terror operations with forces of Pakistan in the Pakistan/Afghanistan border area; 
“maritime interception operations on the high seas” in areas of responsibility of the Central and 
European Commands to prevent terrorist movement and other activities; and military support for the 
armed forces of Georgia and Yemen in counter-terrorism operations. 
Iraq War. On March 21, 2003, President Bush reported to Congress, “consistent with the War 
Powers Resolution,” as well as P.L. 102-1 and P.L. 107-243, and “pursuant to” his authority as 
Commander-in-Chief, that he had “directed U.S. Armed Forces, operating with other coalition forces, 
to commence operations on March 19, 2003, against Iraq.” He further stated that it was not possible 
to know at present the duration of active combat operations or the scope necessary to accomplish 
the goals of the operation “to disarm Iraq in pursuit of peace, stability, and security both in the Gulf 
region and in the United States.” 
Yugoslavia/Kosovo. On May 14, 2003, President Bush reported to Congress, “consistent with the War 
Powers Resolution,” that combat-equipped U.S. military personnel continued to be deployed as part 
of KFOR. He noted that about 2,250 U.S. military personnel were deployed in Kosovo, and additional 
military personnel operated, on occasion, from Macedonia, Albania, and Greece in support of KFOR 
operations. 
Liberia. On June 9, 2003, President Bush reported to Congress, “consistent with the War Powers 
Resolution,” that on June 8 he had sent about 35 combat-equipped U.S. military personnel into 
Monrovia, Liberia, to augment U.S. embassy security forces, to aid in the possible evacuation of U.S. 
citizens if necessary. The President also noted that he had sent about 34 combat-equipped U.S. 
military personnel to help secure the U.S. embassy in Nouakchott, Mauritania, and to assist in 
evacuation of American citizens if required. They were expected to arrive at the U.S. embassy by June 
10, 2003. Back-up and support personnel were sent to Dakar, Senegal, to aid in any necessary 
evacuation from either Liberia or Mauritania. 
Bosnia. On July 22, 2003, President Bush reported to Congress, “consistent with the War Powers 
Resolution,” that the United States continued to provide about 1,800 combat-equipped military 
personnel in Bosnia-Herzegovina in support of NATO’s SFOR and its peacekeeping efforts in this 
country.  
Liberia. On August 13, 2003, President Bush reported to Congress, “consistent with the War Powers 
Resolution,” that in response to conditions in Liberia, on August 11, 2003, he had authorized about 
4,350 U.S. combat-equipped military personnel to enter Liberian territorial waters in support of U.N. 
and West African States efforts to restore order and provide humanitarian assistance in Liberia. 
Terrorism threat. On September 19, 2003, President Bush reported to Congress “consistent with the 
War Powers Resolution,” that U.S. “combat-equipped and combat support forces” continue to be 
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deployed at a number of locations around the world as part of U.S. anti-terrorism efforts. American 
forces support anti-terrorism efforts in the Philippines, and maritime interception operations continue 
on the high seas in the Central, European, and Pacific Command areas of responsibility, to “prevent 
the movement, arming, or financing of international terrorists.” He also noted that “U.S. combat 
equipped and support forces” had been deployed to Georgia and Djibouti to help in enhancing their 
“counterterrorist capabilities.”  
Yugoslavia/Kosovo. On November 14, 2003, the President reported to Congress “consistent with the 
War Powers Resolution” that the United States was continuing to deploy combat equipped military 
personnel as part of the NATO-led international security force in Kosovo (KFOR). Currently there 
are approximately 2,100 U.S. military personnel in Kosovo, with additional American military 
personnel operating out of Macedonia, Albania and Greece, in support of KFOR operations. 
2004  
Bosnia. On January 22, 2004, the President reported to Congress “consistent with the War Powers 
Resolution” that the United States was continuing to deploy combat equipped military personnel 
Bosnia and Herzegovina in support of NATO’s SFOR and its peacekeeping efforts in this country. 
About 1,800 U.S. personnel are participating.  
Haiti. On February 25, 2004, the President reported to Congress “consistent with the War Powers 
Resolution” that, on February 23, he had sent a combat-equipped “security force” of about “55 U.S. 
military personnel from the U.S. Joint Forces Command” to Port-au-Prince, Haiti, to augment the U.S. 
embassy security forces there and to protect American citizens and property in light of the instability 
created by the armed rebellion in Haiti.  
Haiti. On March 2, 2004, the President reported to Congress “consistent with the War Powers 
Resolution” that on February 29 he had sent about “200 additional U.S. combat-equipped, military 
personnel from the U.S. Joint Forces Command” to Port-au-Prince, Haiti, for a variety of purposes, 
including preparing the way for a U.N. Multinational Interim Force, and otherwise supporting U.N. 
Security Council Resolution 1529 (2004).  
Terrorism/Bosnia and Haiti. On March 20, 2004, the President reported to Congress “consistent with 
the War Powers Resolution,” a consolidated report giving details of multiple on-going United States 
military deployments and operations “in support of the global war on terrorism (including in 
Afghanistan),” as well as operations in Bosnia and Herzegovina, Kosovo, and Haiti. In this report, the 
President noted that U.S. anti-terror related activities were underway in Georgia, Djibouti, Kenya, 
Ethiopia, Yemen, and Eritrea. He further noted that U.S. combat-equipped military personnel 
continued to be deployed in Kosovo as part of the NATO-led KFOR (1,900 personnel); in Bosnia and 
Herzegovina as part of the NATO-led SFOR (about 1,100 personnel); and approximately 1,800 
military personnel were deployed in Haiti as part of the U.N. Multinational Interim Force. 
Terrorism threat/Horn of Africa/Kosovo/Bosnia/Iraq. On November 4, 2004, the President sent to 
Congress, “consistent with the War Powers Resolution,” a consolidated report giving details of 
multiple ongoing United States military deployments and operations “in support of the global war on 
terrorism.” These deployments, support or military operations include activities in Afghanistan, 
Djibouti, as well as Kenya, Ethiopia, Eritrea, Bosnia and Herzegovina, and Kosovo. In this report, the 
President noted that U.S. anti-terror related activities were underway in Djibouti, Kenya, Ethiopia, 
Yemen, and Eritrea. He further noted that U.S. combat-equipped military personnel continued to be 
deployed in Kosovo as part of the NATO-led KFOR (1,800 personnel); and in Bosnia and 
Herzegovina as part of the NATO-led SFOR (about 1,000 personnel). Meanwhile, he stated that the 
United States continued to deploy more than 135,000 military personnel in Iraq.  
2005 
Terrorism threat/Horn of Africa/Kosovo/Bosnia. On May 20, 2005, the President sent to Congress 
“consistent with the War Powers Resolution,” a consolidated report giving details of multiple ongoing 
United States military deployments and operations “in support of the global war on terrorism,” as 
well as operations in Iraq, where about 139,000 U.S. military personnel were deployed. U.S. forces 
are also deployed in Kenya, Ethiopia, Yemen, Eritrea, and Djibouti assisting in “enhancing counter-
terrorism capabilities” of these nations. The President further noted that U.S. combat-equipped 
military personnel continued to be deployed in Kosovo as part of the NATO-led KFOR (1,700 
personnel). Approximately 235 U.S. personnel are also deployed in Bosnia and Herzegovina as part of 
the NATO Headquarters-Sarajevo who assist in defense reform and perform operational tasks, such 
as counter-terrorism and supporting the International Criminal Court for the Former Yugoslavia. 
Terrorism threat/Horn of Africa/Kosovo/Bosnia/Iraq. On December 7, 2005, the President sent to 
Congress “consistent” with the War Powers Resolution, a consolidated report giving details of 
multiple ongoing United States military deployments and operations “in support of the global war on 
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terrorism,” and in support of the Multinational Force in Iraq, where about 160,000 U.S. military 
personnel were deployed. U.S. forces were also deployed in the Horn of Africa region—Kenya, 
Ethiopia, Yemen, and Djibouti—assisting in “enhancing counter-terrorism capabilities” of these 
nations. The President further noted that U.S. combat-equipped military personnel continued to be 
deployed in Kosovo as part of the NATO-led KFOR (1,700 personnel). Approximately 220 U.S. 
personnel were also deployed in Bosnia and Herzegovina as part of the NATO Headquarters-
Sarajevo who assist in defense reform and perform operational tasks, such as “counter-terrorism and 
supporting the International Criminal Court for the Former Yugoslavia.”  
2006 
Terrorism threat/Kosovo/Bosnia/Iraq. On June 15, 2006, the President sent to Congress, “consistent” 
with the War Powers Resolution, a consolidated report giving details of multiple ongoing United 
States military deployments and operations “in support of the war on terror,” and in Kosovo, Bosnia 
and Herzegovina, and as part of the Multinational Force (MNF) in Iraq. About 131,000 military 
personnel were deployed in Iraq. U.S. forces were also deployed in the Horn of Africa region, and in 
Djibouti to support necessary operations against al-Qaida and other international terrorists operating 
in the region. U.S. military personnel continue to support the NATO-led KFOR. The U.S. 
contribution to KFOR was about 1,700 military personnel. The NATO Headquarters-Sarajevo was 
established in November 22, 2004, as a successor to its stabilization operations in Bosnia-Herzegovina 
to continue to assist in implementing the peace agreement. Approximately 250 U.S. personnel were 
assigned to the NATO Headquarters-Sarajevo to assist in defense reform and perform operational 
tasks, such as “counter-terrorism and supporting the International Criminal Court for the Former 
Yugoslavia.”  
Lebanon. On July 18, 2006, the President reported to Congress “consistent” with the War Powers 
Resolution, that in response to the security threat posed in Lebanon to U.S. embassy personnel and 
citizens and designated third country personnel, he had deployed combat-equipped military 
helicopters and military personnel to Beirut to assist in the departure of the persons under threat 
from Lebanon. The President noted that additional combat-equipped U.S. military forces may be 
deployed “to Lebanon, Cyprus and other locations, as necessary” to assist further departures of 
persons from Lebanon and to provide security. He further stated that once the threat to U.S. citizens 
and property has ended, the U.S. military forces would redeploy.  
Terrorism threat/Horn of Africa/Kosovo/Bosnia. On December 15, 2006, the President sent to Congress, 
“consistent” with the War Powers Resolution, a consolidated report giving details of multiple ongoing 
United States military deployments and operations “in support of the war on terror,” in Kosovo, 
Bosnia and Herzegovina, and as part of the Multinational Force (MNF) in Iraq. About 134,000 military 
personnel are deployed in Iraq. U.S. forces were also deployed in the Horn of Africa region, and in 
Djibouti to support necessary operations against al-Qaida and other international terrorists operating 
in the region, including Yemen. U.S. military personnel continue to support the NATO-led KFOR. 
The U.S. contribution to KFOR was about 1,700 military personnel. The NATO Headquarters-
Sarajevo was established in November 22, 2004, as a successor to its stabilization operations in 
Bosnia-Herzegovina to continue to assist in implementing the peace agreement. Approximately 100 
U.S. personnel were assigned to the NATO Headquarters-Sarajevo to assist in defense reform and 
perform operational tasks, such as “counter-terrorism and supporting the International Criminal 
Court for the Former Yugoslavia.”  
2007 
Terrorism threat/Kosovo/Afghanistan. On June 15, 2007, the President sent to Congress, “consistent” 
with the War Powers Resolution, a consolidated report giving details of ongoing United States 
military deployments and operations “in support of the war on terror,” and in support of the NATO-
led KFOR. The President reported that various U.S. “combat-equipped and combat-support forces” 
were deployed to “a number of locations in the Central, Pacific, European (KFOR), and Southern 
Command areas of operation” and were engaged in combat operations against al-Qaida terrorists and 
their supporters. The United States is currently “pursuing and engaging remnant al-Qaida and Taliban 
fighters in Afghanistan.” U.S. forces in Afghanistan currently total approximately 25,945. Of this total, 
“approximately 14,340 are assigned to the International Security Assistance Force (ISAF) in 
Afghanistan.” The U.S. military continues to support peacekeeping operations in Kosovo, specifically 
the NATO-led KFOR. Currently, the U.S. contribution to KFOR in Kosovo is approximately 1,584 
military personnel. 
Terrorism threat/Kosovo/Afghanistan. On December 14, 2007, the President sent to Congress 
“consistent with the War Powers Resolution,” a consolidated report giving details of ongoing United 
States military deployments and operations “in support of the war on terror,” and in support of the 
NATO-led Kosovo Force (KFOR). The President reported that various U.S. “combat-equipped and 
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combat-support forces” were deployed to “a number of locations in the Central, Pacific, European, 
and Southern Command areas of operation” and were engaged in combat operations against al-Qaida 
terrorists and their supporters. The United States is currently “pursuing and engaging remnant al-
Qaida and Taliban fighters in Afghanistan.” U.S. forces in Afghanistan currently total approximately 
25,900. Of this total, “approximately 15,180 are assigned to the International Security Assistance 
Force (ISAF) in Afghanistan.” The U.S. military continues to support peacekeeping operations in 
Kosovo, specifically, the NATO-led KFOR. Currently, the U.S. contribution to KFOR in Kosovo is 
approximately 1,498 military personnel. 
2008 
Terrorism threat/Kosovo/Afghanistan. On June 13, 2008, the President sent to Congress, “consistent 
with the War Powers Resolution,” a consolidated report giving details of ongoing United States 
military deployments and operations “in support of the war on terror,” and in support of the NATO-
led KFOR. The President reported that various U.S. “combat-equipped and combat-support forces” 
were deployed to “a number of locations in the Central, Pacific, European, and Southern Command 
areas of operation” and were engaged in combat operations against al-Qaida terrorists and their 
supporters. The United States is actively “pursuing and engaging remnant al-Qaida and Taliban fighters 
in Afghanistan.” U.S. forces in Afghanistan currently total approximately 31,122. Of this total, 
“approximately 14,275 are assigned to the International Security Assistance Force (ISAF) in 
Afghanistan.” The U.S. military continues to support peacekeeping operations in Kosovo, specifically, 
the NATO-led KFOR. Currently, the U.S. contribution to KFOR in Kosovo is approximately 1,500 
military personnel. 
Terrorism threat/Kosovo/Afghanistan. On December 16, 2008, the President sent to Congress, 
“consistent with the War Powers Resolution,” a consolidated report giving details of ongoing United 
States military deployments and operations “in support of the war on terror,” and in support of the 
NATO-led KFOR. The President reported that various U.S. “combat-equipped and combat-support 
forces” were deployed to “a number of locations in the Central, Pacific, European, Southern, and 
Africa Command areas of operation” and were engaged in combat operations against al-Qaida and 
their supporters. The United States is “actively pursuing and engaging remnant al-Qaida and Taliban 
fighters in Afghanistan.” U.S. forces in Afghanistan total approximately 31,000. Of this total, 
“approximately 13, 000 are assigned to the International Security Assistance Force (ISAF) in 
Afghanistan.” The U.S. military continues to support peacekeeping operations in Kosovo, specifically 
the NATO-led KFOR. The current U.S. contribution to KFOR in Kosovo is about 1,500 military 
personnel. 
2009 
Terrorism threat/Afghanistan/Iraq/Kosovo. On June 15, 2009, President Obama sent to Congress, 
“consistent with the War Powers Resolution,” a supplemental consolidated report, giving details of 
“ongoing contingency operations overseas.” The report noted that the total number of U.S. forces in 
Afghanistan was “approximately 58,000,” of which approximately 20,000 are assigned to the 
International Security Assistance Force (ISAF) in Afghanistan. The United States continues to pursue 
and engage “remaining al-Qaida and Taliban forces in Afghanistan.” The United States also continues 
to deploy military forces in support of the Multinational Force (MNF) in Iraq. The current U.S. 
contribution to this effort is “approximately 138,000 U.S. military personnel.” U.S. military operations 
continue in Kosovo, as part of the NATO-led KFOR. Presently the United States contributes 
approximately 1,400 U.S. military personnel to KFOR. In addition, the United states continues to 
deploy “U.S. combat-equipped forces to help enhance the counterterrorism capabilities of our friends 
and allies” not only in the Horn of Africa region, but globally through “maritime interception 
operations on the high seas” aimed at blocking the “movement, arming and financing of international 
terrorists.” 
Terrorism threat/Afghanistan/Iraq/Kosovo. On December 5, 2009, the President sent to Congress 
“consistent with the War Powers Resolution,” a consolidated report, giving details of “global 
deployments of U.S. Armed Forces equipped for combat.” The report detailed “ongoing U.S. 
contingency operations overseas.” The report noted that the total number of U.S. forces in 
Afghanistan was “approximately 68,000,” of which approximately 34,000 are assigned to the 
International Security Assistance Force (ISAF) in Afghanistan. The United States continues to pursue 
and engage “remaining al-Qaida and Taliban forces in Afghanistan.” The United States has deployed 
“various combat-equipped forces to a number of locations in the Central, Pacific, European, Southern 
and African Command areas of operation” in support of anti-terrorist and anti-al-Qaida actions. The 
United States also continues to deploy military forces in Iraq to “maintain security and stability” there. 
These Iraqi operations continue pursuant to the terms of a bilateral agreement between the United 
States and Iraq, which entered into force on January 1, 2009. The current U.S. force level in Iraq is 
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“approximately 116,000 U.S. military personnel.” U.S. military operations continue in Kosovo, as part 
of the NATO-led KFOR. Presently the United States contributes approximately 1,475 U.S. military 
personnel to KFOR. In addition, the United States continues to deploy “U.S. combat-equipped forces 
to assist in enhancing the counterterrorism capabilities of our friends and allies” not only in the Horn 
of Africa region, but globally through “maritime interception operations on the high seas” aimed at 
blocking the “movement, arming and financing of international terrorists.” 
2010 
Terrorism threat/Afghanistan/Iraq/Kosovo. On June 15, 2010, the President sent to Congress, “consistent 
with the War Powers Resolution,” a consolidated report giving details of “deployments of U.S. 
Armed Forces equipped for combat.” The report noted that the total number of U.S. forces in 
Afghanistan was “approximately 87,000,” of which over 62,000 are assigned to the International 
Security Assistance Force (ISAF) in Afghanistan. The United States continues combat operations 
“against al-Qaida terrorists and their Taliban supporters” in Afghanistan. The United States has 
deployed “combat-equipped forces to a number of locations in the U.S. Central, Pacific, European, 
Southern and African Command areas of operation” in support of anti-terrorist and anti-al-Qaida 
actions. The United States also continues to deploy military forces in Iraq to “maintain security and 
stability” there. These Iraqi operations continue pursuant to the terms of a bilateral agreement 
between the United States and Iraq, which entered into force on January 1, 2009. The current U.S. 
force level in Iraq is “approximately 95,000 U.S. military personnel.” U.S. military operations continue 
in Kosovo, as part of the NATO-led KFOR. Presently, the United States contributes approximately 
1,074 U.S. military personnel to KFOR. In addition, the United States continues to “conduct maritime 
interception operations on the high seas” directed at “stopping the movement, arming and financing 
of international terrorist groups.” 
Terrorism threat/Afghanistan/Iraq/Kosovo. On December 15, 2010, the President submitted to Congress 
“consistent with the War Powers Resolution,” a consolidated report, detailing “deployments of U.S. 
Armed Forces equipped for combat.” The report noted that the total number of U.S. forces in 
Afghanistan was “approximately 97,500” of which over 81,500 were assigned to the International 
Security Assistance Force (ISAF) in Afghanistan. The United States is continuing combat operations 
“against al-Qaida terrorists and their Taliban supporters” in Afghanistan. The United States has 
deployed “combat-equipped forces to a number of locations in the U.S. Central, Pacific, European, 
Southern and African Command areas of operation” in support of anti-terrorist and anti-al-Qaida 
actions. In addition, the United States continues to conduct “maritime interception operations on the 
high seas in the areas of responsibility of the geographic combatant commands” directed at “stopping 
the movement, arming and financing of international terrorist groups.” The United States also 
continues to deploy military forces in Iraq in support of Iraqi efforts to “maintain security and 
stability” there. These Iraqi operations continue pursuant to the terms of a bilateral agreement 
between the United States and Iraq, which entered into force on January 1, 2009. The current U.S. 
force level in Iraq is “approximately 48,400 U.S. military personnel.” U.S. military operations also 
continue in Kosovo, as part of the NATO-led KFOR. The United States currently contributes 
approximately 808 U.S. military personnel to KFOR. 
2011 
Terrorism threat/Afghanistan/Libya/Kosovo. On June 15, 2011, the President sent to Congress, 
“consistent with the War Powers Resolution,” a supplemental consolidated report giving details of 
“global deployments of U.S. Armed Forces equipped for combat.” The report detailed ongoing U.S. 
contingency operations overseas. The report noted that the total number of U.S. forces in 
Afghanistan was “approximately 99,000,” of which approximately 83,000 are assigned to the 
International Security Assistance Force (ISAF) in Afghanistan. The United States continues to pursue 
and engage “remaining al-Qaida and Taliban fighters in Afghanistan.” The United States has deployed 
various “combat-equipped forces” to a number of locations in the Central, Pacific, European, 
Southern and African Command areas of operation in support of anti-terrorist and anti-al-Qaida 
actions. This includes the deployment of U.S. military forces globally to assist in enhancing the 
counterterrorism capabilities of our friends and allies through maritime interception operations on 
the high seas “aimed at stopping the movement, arming and financing of certain international terrorist 
groups.” A combat-equipped security force of about “40 U.S. military personnel from the U.S. Central 
Command” was deployed to Cairo, Egypt, on January 31, 2011, for the sole purpose of “protecting 
American citizens and property.” That force remains at the U.S. embassy in Cairo. The United States 
also continues to deploy military forces in Iraq to help it “maintain security and stability” there. These 
Iraqi operations continue pursuant to the terms of a bilateral agreement between the United States 
and Iraq, which entered into force on January 1, 2009. The current U.S. force level in Iraq is 
“approximately 45,000 U.S. military personnel.” In Libya, since April 4, 2011, the United States has 
transferred responsibility for military operations there to NATO, and U.S. involvement “has assumed 
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a supporting role in the coalition’s efforts.” U.S. support in Libya has been limited to “intelligence, 
logistical support, and search and rescue assistance.” The U.S. military aircraft have also been used to 
assist in the “suppression and destruction of air defenses in support of the no-fly zone” over Libya. 
Since April 23, 2011, the United States has supported the coalition effort in Libya through use of 
“unmanned aerial vehicles against a limited set of clearly defined targets” there. Except in the case of 
operations to “rescue the crew of a U.S. aircraft” on March 21, 2011, “the United States has 
deployed no ground forces to Libya.” U.S. military operations continue in Kosovo, as part of the 
NATO-led KFOR. Presently the United States contributes approximately 800 U.S. military personnel 
to KFOR.  
Libya. On March 21, 2011, the President submitted to Congress “consistent with the War Powers 
Resolution,” a report stating that at “approximately 3:00 p.m. Eastern Daylight Time, on March 19, 
2011,” he had directed U.S. military forces to commence “operations to assist an international effort 
authorized by the United Nations (U.N.) Security Council and undertaken with the support of 
European allies and Arab partners, to prevent a humanitarian catastrophe and address the threat 
posed to international peace and security by the crisis in Libya.” He further stated that U.S. military 
forces, “under the command of Commander, U.S. Africa Command (AFRICOM) began a series of 
strikes against air defense systems and military airfields for the purposes of preparing a no-fly zone.” 
These actions were part of “the multilateral response authorized under U.N. Security Council 
Resolution 1973,” and the President added that “these strikes wil  be limited in their nature, duration, 
and scope. Their purpose is to support an international coalition as it takes all necessary measures to 
enforce the terms of U.N. Security Council Resolution 1973. These limited U.S. actions wil  set the 
stage for further action by other coalition partners.” 
The President noted that United Nations Security Council Resolution 1973 authorized Member 
States, under Chapter VII of the U.N. Charter, to take all necessary measures to protect civilians and 
civilian populated areas under threat of attack in Libya, including the establishment and enforcement 
of a “no-fly zone” in the airspace of Libya. United States military efforts are discrete and focused on 
employing unique U.S. military capabilities to set the conditions for our European allies and Arab 
partners to carry out the measures authorized by the U.N. Security Council Resolution. 
The President stated further that the “United States has not deployed ground forces into Libya. 
United States forces are conducting a limited and well-defined mission in support of international 
efforts to protect civilians and prevent a humanitarian disaster.” Accordingly, he added, “U.S. forces 
have targeted the Qadhafi (Gaddafi) regime’s air defense systems, command and control structures, 
and other capabilities of Qadhafi’s armed forces used to attack civilians and civilian populated areas.” 
It was the intent of the United States, he said, to “seek a rapid, but responsible, transition of 
operations to coalition, regional, or international organizations that are postured to continue 
activities as may be necessary to realize the objectives of U.N. Security Council Resolutions 1970 and 
1973.” The President said that the actions he had directed were “in the national security and foreign 
policy interests of the United States.” He took them, the President stated, “pursuant to my 
constitutional authority to conduct U.S. foreign relations and as Commander in Chief and Chief 
Executive.” 
Central Africa. On October 14, 2011, the President submitted to Congress, “consistent with the War 
Powers Resolution,” a report stating that “he had authorized a small number of combat-equipped U.S. 
forces to deploy to central Africa to provide assistance to regional forces that are working toward 
the removal of Joseph Kony,” leader of the Lord’s Resistance Army (LRA), from the battlefield. For 
over two decades the LRA has murdered, kidnapped, and raped tens of thousands of men, women, 
and children throughout central Africa, and has continued to commit atrocities in South Sudan, the 
Democratic Republic of the Congo, and the Central African Republic. The U.S. Armed Forces, the 
President noted, would be a “significant contribution toward counter-LRA efforts in central Africa.” 
The President stated that on “October 12, 2011, the initial team of U.S. military personnel with 
appropriate combat equipment deployed to Uganda.” In the “next month, additional forces wil  
deploy, including a second combat-equipped team and associated headquarters, communications, and 
logistics personnel.” The President further stated that the “total number of U.S. military personnel 
deploying for this mission is approximately 100. These forces wil  act as advisors to partner forces 
that have the goals of removing from the battlefield Joseph Kony and other senior leadership of the 
LRA.” U.S. forces “wil  provide information, advice, and assistance to select partner nation forces.” 
With the approval of the respective host nations, “elements of these U.S. forces wil  deploy into 
Uganda, South Sudan, the Central African Republic, and the Democratic Republic of the Congo. The 
support provided by U.S. forces wil  enhance regional efforts against the LRA.” The President 
emphasized that even though the “U.S. forces are combat-equipped, they wil  only be providing 
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information, advice, and assistance to partner nation forces, and they wil  not themselves engage LRA 
forces unless necessary for self-defense. All appropriate precautions have been taken to ensure the 
safety of U.S. military personnel during their deployment.” The President took note in his report that 
Congress had previously “expressed support for increased, comprehensive U.S. efforts to help 
mitigate and eliminate the threat posed by the LRA to civilians and regional stability” through the 
passage of the Lord’s Resistance Army Disarmament and Northern Uganda Recovery Act of 2009, 
P.L. 111-172, enacted May 24, 2010. 
Terrorism threat/Afghanistan/Libya/Iraq/Kosovo. On December 15, 2011, the President submitted to 
Congress, “consistent with the War Powers Resolution,” a supplemental consolidated report, giving 
details of “deployments of U.S. Armed Forces equipped for combat.” The report detailed ongoing 
U.S. contingency operations overseas. The report noted that the total number of U.S. forces in 
Afghanistan was “approximately 93,000,” of which approximately 78,000 are assigned to the 
International Security Assistance Force (ISAF) in Afghanistan. The United States continues to pursue 
and engage “remaining al-Qaida and Taliban fighters in Afghanistan.” The United States has deployed 
various “combat-equipped forces” to a number of locations in the Central, Pacific, European, 
Southern, and African Command areas of operation in support of anti-terrorist and anti-al-Qaida 
actions. This includes the deployment of U.S. military forces globally: “including special operations and 
other forces” for “sensitive operations” in various places, as well as forces to assist in enhancing the 
counterterrorism capabilities of our friends and allies. U.S. forces also have engaged in maritime 
interception operations on the high seas “aimed at stopping the movement, arming and financing of 
certain international terrorist groups.” The United States continued to deploy military forces in Iraq 
to help it “maintain security and stability” there. These Iraqi operations were undertaken pursuant to 
the terms of a bilateral agreement between the United States and Iraq, which entered into force on 
January 1, 2009. The U.S. force level in Iraq on October 28, 2011, was “36,001 U.S. military 
personnel.” The United States was committed to withdraw U.S. forces from Iraq by December 31, 
2011. (This occurred, as scheduled, after this report was submitted.) In Libya, after April 4, 2011, the 
United States transferred responsibility for military operations there to NATO, and U.S. involvement 
“assumed a supporting role in the coalition’s efforts.” U.S. support in Libya was limited to 
“intelligence, logistical support, and search and rescue assistance.” The U.S. military aircraft were also 
used to assist in the “suppression and destruction of air defenses in support of the no-fly zone” over 
Libya. After April 23, 2011, the United States supported the coalition effort in Libya through use of 
“unmanned aerial vehicles against a limited set of clearly defined targets” there. Except in the case of 
operations to “rescue the crew of a U.S. aircraft” on March 21, 2011, and deploying 16 U.S. military 
personnel to aid in re-establishing the U.S. embassy in Tripoli in September 2011, “the U.S. deployed 
no ground forces to Libya.” On October 27, 2011, the United Nations terminated the “no-fly zone” 
effective October 31, 2011. NATO terminated its mission during this same time. U.S. military 
operations continue in Kosovo, as part of the NATO-led KFOR. Presently the United States 
contributes approximately 800 U.S. military personnel to KFOR.  
2012 
Somalia. On January 26, 2012, the President submitted to Congress, “consistent with the War Powers 
Resolution,” a report detailing a successful U.S. Special Operations Forces operation in Somalia of 
January 24, 2012, to rescue Ms. Jessica Buchanan, a U.S. citizen who had been kidnapped by a group 
linked to Somali pirates and financiers. This operation was undertaken “by a small number of joint 
combat-equipped U.S. forces” fol owing receipt of reliable intelligence establishing her location in 
Somalia. A Danish national, Poul Hagen Thisted, kidnapped with Ms. Buchanan, was also rescued. 
Terrorism threat/Afghanistan/Somalia/Yemen/Central Africa/Kosovo. On June 15, 2012, the President 
reported to Congress “consistent with” the War Powers Resolution, a consolidated report regarding 
various deployments of U.S. Armed Forces equipped for combat. In the efforts in support of U.S. 
counterterrorism (CT) objectives against al-Qaida, the Taliban and, associated forces, he noted that 
U.S. forces engaged in Afghanistan in the above effort were “approximately 90,000.” With regard to 
other counter-terrorism operations, the President stated that the United States had deployed “U.S. 
combat-equipped forces to assist in enhancing the CT capabilities of our friends and allies including 
special operations and other forces for sensitive operations in various locations around the world.” 
He noted that the “U.S. military has taken direct action in Somalia against members of al-Qaida, 
including those who are also members of al-Shabaab, who are engaged in efforts to carry out terrorist 
attacks against the United States and our interests.” The President further stated that the U.S. 
military had been “working closely with the Yemeni government to operationally and ultimately 
eliminate the terrorist threat posed by al-Qaida in the Arabian Peninsula (AQAP), the most active and 
dangerous affiliate of al-Qaida today.” He added that these “joint efforts have resulted in direct action 
against a limited number of AQAP operatives and senior leaders in that country who posed a 
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terrorist threat to the United States and our interests.” The President noted that he would direct 
“additional measures against al-Qaida, the Taliban, and associated forces to protect U.S. citizens and 
interests.” Further information on such matters is provided in a “classified annex to this report.” 
Other military operations reported by the President include the “deployment of U.S. combat-
equipped military personnel to Uganda to serve as advisors to regional forces that are working to 
apprehend or remove Joseph Kony and other senior Lord’s Resistance Army (LRA) leaders from the 
battlefield and to protect local populations.” The total number of U.S. military personnel deployed for 
this mission is “approximately 90,” and elements of these U.S. forces have been sent to “forward 
locations in the LRA-affected areas of the Republic of South Sudan, the Democratic Republic of the 
Congo, and the Central African Republic.” These U.S. forces “wil  not engage LRA forces except in 
self-defense.” The President also reported that presently the United States was contributing 
approximately 817 military personnel to the NATO-led KFOR in Kosovo. He also reported that the 
United States remained prepared to engage in “maritime interception operations” intended to stop 
the “movement, arming, and financing of certain international terrorist groups,” as well as stopping 
“proliferation by sea of weapons of mass destruction and related materials.” Additional details about 
these efforts are included in “the classified annex” to this report. 
Libya/Yemen. On September 14, 2012, the President reported to Congress, “consistent with” the War 
Powers Resolution, that on September 12, 2012, he ordered deployed to Libya “a security force from 
the U.S. Africa Command” to “support the security of U.S. personnel in Libya.” This action was taken 
in response to the attack on the U.S. “diplomatic post in Benghazi, Libya,” that had kil ed four 
America citizens, including U.S. Ambassador John Christopher Stevens. The President added on 
September 13, 2012, that “an additional security force arrived in Yemen in response to security 
threats there.” He further stated that: “Although these security forces are equipped for combat, 
these movements have been undertaken solely for the purpose of protecting American citizens and 
property.” These security forces wil  remain in Libya and in Yemen, he noted, “until the security 
situation becomes such that they are no longer needed.”  
Southern Philippines Humanitarian Assistance for Typhoon Bopha. On December 17, 2012, U.S. Pacific 
Command (PACOM) reported all DOD humanitarian assistance and military-to-military search and 
rescue assistance had been completed in the southeastern Philippines fol owing Typhoon Bopha. 
According to Pentagon Press Secretary George Little at the time, “U.S. forces provided planning, 
coordination, personnel, water purification teams, and aircraft assets that flew 24 sorties to deliver 
756,800 pounds of relief supplies, flew 56 hours in support of search and rescue operations and 
provided 60 hours of search and rescue coverage. PACOM forces are returning back to their home 
stations or are proceeding to fol ow-on taskings.” 
2013 
Afghanistan. On January 31, 2013, DOD identified three major units to deploy as part of the ongoing 
rotation of forces operating in Afghanistan. The scheduled rotation involved one Infantry Brigade 
Combat Team (IBCT) with roughly 2,250 personnel from the 4th Infantry Brigade Combat Team, 3rd 
Infantry Division, Fort Stewart, Georgia; a Combat Aviation Brigade (CAB) with roughly 2,200 
personnel from the 10th Combat Aviation Brigade, 10th Mountain Division, Fort Drum, New York; 
and a corps headquarters with roughly 500 personnel from the III Corps Headquarters, Fort Hood, 
Texas, in spring 2013.  
Niger. On February 22, 2013, the President reported in a letter dated February 20 to congressional 
leaders that “the last 40 of the approximately 100 military personnel had arrived in Niger and were 
deployed with weapons for the purpose of providing their own force protection and security.” 
President Obama further stated, “This deployment wil  provide support for intelligence col ection and 
wil  also facilitate intelligence sharing with French forces conducting operations in Mali, and with other 
partners in the region.”  
Afghanistan. On April 10, 2013, DOD identified four major units to deploy as part of the upcoming 
rotation of forces operating in Afghanistan. The scheduled rotation is ongoing and involves one 
cavalry regiment, the 2nd Cavalry Regiment from Vilseck, Germany, with roughly 3,000 personnel; one 
armored brigade combat team (ABCT) with roughly 3,200 personnel from the 2nd Armored Brigade 
Combat Team, 1st Cavalry Division, Fort Hood, Texas; one infantry brigade combat team (IBCT) with 
roughly 2,200 personnel from the 3rd Infantry Brigade Combat Team, 1st Infantry Division, Fort Knox, 
Kentucky; and a division headquarters with roughly 450 personnel from the 4th Infantry Division 
Headquarters, Fort Carson, Colorado, to rotate in summer 2013.  
Jordan. Defense Secretary Chuck Hagel ordered the deployment of more American troops to Jordan. 
He announced the deployment on April 17, 2013, in a statement on Syria before the Senate Armed 
Services Committee. He said that U.S. troops wil  work alongside Jordanian forces to “improve 
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readiness and prepare for a number of scenarios.” The troops, which number up to 200, are from the 
headquarters of the 1st Armored Division at Fort Bliss, Texas, according to DOD sources.  
Terrorism threat/Afghanistan/Somalia/Yemen/Central Africa. On June 14, 2013, President Obama sent 
Congress a letter “consistent with” the War Powers Resolution, on U.S. military operations against 
al-Qaida, the Taliban, and associated forces, and in support of related U.S. counterterrorism 
objectives in Afghanistan and elsewhere. There are approximately 62,000 U.S. forces in Afghanistan of 
which 49,000 of these forces are assigned to the NATO-led International Security Assistance Force 
(ISAF). Further directed reduction of forces wil  continue to the 34,000 level by February 12, 2014.  
Jordan. President Obama sent Congress a letter on June 21, 2013, regarding a combat-equipped 
detachment of 700 U.S. troops remaining in Jordan fol owing training exercises that ended on June 20. 
This was at the request of the government of Jordan and in furtherance of U.S. national security and 
foreign policy interests. 
Afghanistan. On July 11, 2013, DOD identified three units to deploy as part of the upcoming rotation 
of forces in Afghanistan. The scheduled rotation involves elements of one infantry brigade combat 
team (IBCT) with roughly 2,000 personnel; and elements of two combat aviation brigades, one with 
roughly 1,450 personnel and one with roughly 2,100 personnel, to rotate in Fall 2013 in support of 
the combatant commander’s mission requirements. The deploying units include the 3rd Infantry 
Brigade Combat Team, 10th Mountain Division, Fort Drum, New York; the 1st Cavalry Division 
Combat Aviation Brigade, Fort Hood, Texas; and the 1st Infantry Division Combat Aviation Brigade, 
Fort Riley, Kansas. 
Afghanistan. On September 24, 2013, DOD identified six units to deploy as part of the upcoming 
rotation of forces operating in Afghanistan. The scheduled rotation involves elements of two infantry 
brigade combat teams (IBCT)—one with roughly 1,830 personnel (4th Infantry Brigade Combat Team, 
4th Infantry Division) and one with roughly 2,000 personnel (2nd Brigade Combat Team, 101st 
Airborne Division); elements of one armored brigade combat team (ABCT) with roughly 1,160 
personnel (3rd Armored Brigade Combat Team, 1st Armored Division); elements of one combat 
aviation brigade with roughly 1,800 personnel (159th Combat Aviation Brigade, 101st Airborne 
Division); a division headquarters element with roughly 630 personnel (10th Mountain Division 
Headquarters); and a corps headquarters element with roughly 560 personnel (XVIII Airborne Corps 
Headquarters) to rotate in winter 2013-2014 in support of the combatant commander’s mission 
requirements. The deploying units include Brigade Combat Teams/Combat Aviation Brigades: 2nd 
Brigade Combat Team, 101st Airborne Division, Fort Campbell, KY; 4th Infantry Brigade Combat 
Team, 4th Infantry Division, Fort Carson, CO; 3rd Armored Brigade Combat Team, 1st Armored 
Division, Fort Bliss, TX; and 159th Combat Aviation Brigade, 101st Airborne Division, Fort Campbell, 
KY; Division Headquarters: 10th Mountain Division Headquarters, Fort Drum, NY; and Corps 
Headquarters: XVIII Airborne Corps Headquarters, Fort Bragg, NC. 
Leyte, Philippines Humanitarian Assistance for Typhoon Haiyan. On November 9, 2013, the Defense 
Secretary directed the U.S. Pacific Command to support humanitarian relief operations in the 
Philippines after Typhoon Haiyan (Yolanda). The aircraft carrier USS George Washington (CVN 73) and 
other U.S. Navy ships were ordered to the Philippines. The aircraft carrier, which carries 5,000 
sailors and more than 80 aircraft, was in Hong Kong for a port visit. In addition to the carrier were 
the cruisers USS Antietam (CG 54) and USS Cowpens (CG 63), the destroyers USS Mustin (DDG 89) 
and USS Lassen (DDG 82), and the supply ship USNS Charles Drew (T-AKE-10). Embarked on board 
the USS George Washington was Carrier Air Wing Five (CVW-5), a col ection of aircraft designed to 
perform various functions including disaster relief. Included were the “Golden Falcons” of Helicopter 
Sea Combat Squadron 12 flying the MH-60S Seahawk and the “Saberhawks” of Helicopter Maritime 
Strike Squadron 77 flying the MH-60R Seahawk. See CRS Report R43309, Typhoon Haiyan (Yolanda): 
U.S. and International Response to Philippines Disaster, coordinated by Thomas Lum and Rhoda 
Margesson, for more information about U.S. relief efforts.  
Burundi and Central African Republic. A small U.S. Air Force support team and two C-17 Globemaster 
III aircraft began airlift operations on December 12, 2013, in response to a French request for airlift 
support. The U.S. airmen conducted 16 flights from Burundi to the Central African Republic 
transporting 857 Burundian troops, 73 pallets of equipment, and 18 Burundian military vehicles. 
Fewer than 10 Americans remained on the ground serving as liaisons with the French military when 
operations were completed on December 30, 2013. 
Afghanistan. On December 13, 2013, DOD identified five units to deploy as part of the upcoming 
rotation of forces operating in Afghanistan. The scheduled rotation involves elements of one infantry 
brigade combat team (IBCT) with roughly 3,200 personnel (1st Brigade, 82nd Airborne Division); 
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elements of one cavalry regiment (CR) with roughly 2,050 personnel (3rd Cavalry Regiment); elements 
of two combat aviation brigades—one with roughly 1,700 personnel and the other with roughly 1,000 
personnel (16th Combat Aviation Brigade and 12th Combat Aviation Brigade), and a division 
headquarters element with roughly 350 personnel (1st Cavalry Division Headquarters) to rotate in 
spring 2014 in support of the combatant commander’s mission requirements. The deploying units 
include Brigade Combat Teams/Combat Aviation Brigades: 1st Brigade, 82nd Airborne Division, Fort 
Bragg, NC; 3rd Cavalry Regiment, Fort Hood, TX; 16th Combat Aviation Brigade, Joint Base Lewis-
McChord, WA; and 12th Combat Aviation Brigade, Ansbach, Germany, and Division Headquarters: 1st 
Cavalry Division Headquarters, Fort Hood, TX. See CRS Report RL30588, Afghanistan: Post-Taliban 
Governance, Security, and U.S. Policy, for more information. 
South Sudan. On December 18, 2013, at the request of the U.S. State Department, DOD directed 
two U.S. C-130 aircraft to evacuate 120 personnel from the embassy in Juba, the capital of South 
Sudan, to Nairobi, Kenya. In President Obama’s report to Congress on December 19, 2013, he 
provided information on the deployment of U.S. forces to support the security of U.S. citizens and 
personnel at the U.S. embassy in South Sudan consistent with the War Powers Resolution (P.L. 93-
148). On December 21, 2013, 46 additional U.S. military personnel deployed by military aircraft to 
the area of Bor, South Sudan, to conduct an operation to evacuate U.S. citizens and personnel. After 
the aircraft came under fire, the operation was curtailed due to security considerations and the 
aircraft and all military personnel onboard departed without completing the evacuation. See CRS 
Report R43344, Conflict in South Sudan and the Challenges Ahead. 
2014 
South Korea. On January 7, 2014, DOD announced the rotational deployment of the U.S. Army’s 1st 
Battalion, 12th Cavalry Regiment, 1st U.S. Cavalry Division from Fort Hood, TX, to Camps Hovey and 
Stanley, Republic of Korea, on February 1, 2014. Comprised of approximately 800 soldiers, this 
combined arms battalion wil  deploy to conduct operations in support of U.S. Forces Korea and the 
Eighth Army. This action supports the U.S defense commitment to the Republic of Korea as specified 
by the mutual defense treaty and presidential agreements. 
Uganda, South Sudan, the Democratic Republic of the Congo, and the Central African Republic. President 
Obama announced on March 23, 2014, the deployment of U.S. aircraft, aircrews, and support 
personnel to central Africa. The total number of U.S. military personnel deployed for this mission is 
about 280 and may increase to as many as 300. According to the president’s letter to Congress, “The 
aircraft and personnel providing the enhanced air mobility support wil  deploy to the Lord’s 
Resistance Army-affected areas of central Africa episodically, as they are available, and consistent with 
other Department of Defense requirements.”3 
Iraq. On June 19, 2014, President Obama announced his decision to deploy 300 U.S. military 
personnel to advise the Iraqi security forces. These special operators wil  secure the U.S. embassy and 
personnel operating inside Iraq, assess the situation on the ground, help evaluate gaps in Iraqi security 
forces, and increase these forces’ capacity to counter the threat posed by the Islamic State of Iraq and 
the Levant (ISIL).4 See CRS Report R43612, The Islamic State and U.S. Policy. 
Iraq. June 30, 2014, President Obama ordered an additional 200 military personnel deployed to Iraq 
to reinforce security at the U.S. embassy in Baghdad and other U.S. facilities as well as at the city’s 
international airport.5 
Ukraine. On August 6, 2014, at the request of the U.S. State Department, a dozen American troops 
from U.S. European Command arrived in Kiev, Ukraine, to help investigate the downing of the 
Malaysian airliner MH17 that kil ed all 298 passengers aboard.6 These specialists wil  assist State 
Department personnel in Kiev and not visit the crash site in eastern Ukraine, where there is fighting 
                                                 
3 The White House, Office of the Press Secretary, “Letter from the President—IDLs—War Powers Resolution,” March 
25, 2014, at https://obamawhitehouse.archives.gov/the-press-office/2014/03/25/letter-president-idls-war-powers-
resolution.  
4 The White House, Office of the Press Secretary, “Remarks by the President on the Situation in Iraq,” June 19, 2014, 
at https://obamawhitehouse.archives.gov/the-press-office/2014/06/19/remarks-president-situation-iraq.  
5 U.S. Department of Defense (DOD), “Additional Troops Sent to Bolster Security at U.S. Embassy in Baghdad,” DOD 
News, June 30, 2014.  
6 Richard Sisk, “US Military Deploys Team of Troops to Ukraine,” Military.com, August 6, 2014, at 
http://www.military.com/daily-news/2014/08/06/us-military-deploys-team-of-troops-to-ukraine.html?ESRC=eb.nl.  
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between the Ukrainian forces of the central government and separatists backed by Russia. See CRS 
Report RL33460, Ukraine: Current Issues and U.S. Policy, for more detail. 
Iraq. On August 13, 2014, Defense Secretary Hagel announced that President Obama had ordered 
130 new assessors to deploy to Erbil, Iraq, to assess the scope of the humanitarian mission and 
develop additional humanitarian assistance options in support of displaced Iraqi civilians trapped on 
Sinjar Mountain by the ISIL.7  
Poland. DOD announced on August 13, 2014, that 600 soldiers from the 1st Brigade, 1st Cavalry 
Division, Fort Hood, TX, wil  rotate to Poland as the next unit to participate in the reassurance 
initiative. The brigade wil  be the next unit to take part in ongoing land forces exercises that fall under 
the umbrella of Operation Atlantic Resolve. According to Pentagon officials, “the United States is 
demonstrating its continued commitment to col ective security through a series of actions designed 
to reassure NATO allies and partners of America’s dedication to enduring peace and stability in the 
region, in light of the Russian intervention in Ukraine.”8  
Iraq. On September 2, 2014, President Barack Obama approved an increase of 350 additional military 
personnel on the ground in Baghdad providing security at the U.S. embassy compound and its support 
facilities.9 On September 10, Pentagon Press Secretary Navy Rear Adm. John Kirby announced that 
“approximately 475 additional servicemembers wil  be deployed to Iraq to conduct the fol owing 
missions: advise and assist the Iraqi security forces in order to help them go on the offense against 
ISIL, conduct intelligence, surveillance and reconnaissance flights to increase U.S. capacity to target 
ISIL, and coordinate the activities of the U.S. military across Iraq.”10 
Liberia, West Africa. President Obama announced on September 16, 2014, a major increase in the U.S. 
response to the current Ebola outbreak in West Africa. U.S. Africa Command set up a Joint Force 
Command headquartered in Monrovia, Liberia, to provide regional command-and-control support to 
U.S. military activities and facilitate coordination with U.S. government and international relief 
efforts.11 An estimated 3,000 U.S. forces are to be involved in the upcoming months. Pentagon 
spokesman Army Colonel Steve Warren announced that as of September 29, 2014, about 150 U.S. 
servicemembers were in the Liberian capital Monrovia, conducting a range of activities in support of 
the U.S. Agency for International Development, as U.S. Africa Command sets up a joint force 
command headquarters there to support U.S. military activities.12  
Liberia and Senegal, West Africa. On October 1, 2014, Defense Secretary Hagel authorized the 
deployment of 700 soldiers from the 101st Airborne Division headquarters to Liberia to help with the 
Ebola epidemic. By October 3, there were 205 U.S. servicemembers in Liberia, with another 26 in 
neighboring Senegal to establish a cargo-processing hub in support of Operation United Assistance, 
the international effort to battle Ebola in West Africa.13 On October 29, a 20-member team of Air 
Force medical trainers arrived in Monrovia, Liberia, to train non-U.S. medical personnel as part of 
Operation United Assistance. On October 31, a team of soldier-scientists who are part of an Army 
                                                 
7 Jim Garamone, “President Sends More Assessors to Iraq,” DOD News, Defense Media Activity, August 13, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603059/.  
8 Army Sgt.1st Class Tyrone C. Marshall Jr., “DOD Announces Operation Atlantic Resolve Brigade Rotation,” DOD 
News, Defense Media Activity, August 13, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603063/dod-announces-operation-atlantic-resolve-brigade-
rotation.  
9 DOD, “Statement from Pentagon Press Secretary Rear Admiral John Kirby on Security Personnel in Iraq,” DOD 
News Release, September 2, 2014, at https://www.defense.gov/Newsroom/Releases/Release/Article/605161/statement-
from-pentagon-press-secretary-rear-admiral-john-kirby-on-security-per/.  
10 Jim Garamone, “U.S. Sending 475 More Service Members to Iraq,” DOD News, September 10, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603214/us-sending-475-more-service-members-to-iraq/.  
11 The White House, Office of the Press Secretary, “Fact Sheet: U.S. Response to the Ebola Epidemic in West Africa,” 
September 16, 2014, at https://obamawhitehouse.archives.gov/the-press-office/2014/09/16/fact-sheet-us-response-
ebola-epidemic-west-africa. 
12 Cheryl Pellerin, “Operation United Assistance Helps in Liberian Ebola Fight,” DOD News, September 29, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603343/operation-united-assistance-helps-in-liberian-ebola-
fight/.  
13 Jim Garamone, “DoD May Deploy up to 4,000 Troops to Combat Ebola,” DOD News, October 3, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603381/.  
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expeditionary laboratory unit based in Aberdeen, MD, deployed to Liberia for up to a year to 
establish four labs outside Monrovia and contribute to the U.S. effort to halt Ebola outbreaks in West 
Africa.14  
Iraq. On November 7, 2014, the President authorized the Secretary of Defense to deploy to Iraq up 
to 1,500 additional U.S. personnel over the coming months, in a non-combat role. CENTCOM wil  
establish two expeditionary advice and assist operations centers, in locations outside of Baghdad and 
Erbil, to provide support for the Iraqis at the brigade headquarters level and above.15 
Dakar, Senegal. On November 10, 2014, 35 airmen and two Air Force C-130 Hercules aircraft from 
Dyess Air Force Base, TX, joined forces with more than 70 airmen from the Kentucky Air National 
Guard’s 123rd Contingency Response Group who have been operating a cargo hub at the 
International Airport in Dakar since October 5, 2014, as part of Operation United Assistance.16 
Senegal and Liberia, West Africa. On November 14, 2014, Secretary of Defense Chuck Hagel signed an 
order authorizing the involuntary mobilization of approximately 2,100 Army Reserve and Army 
National Guard soldiers to support Operation United Assistance.17 These troops would replace 
forces in Senegal and Liberia who are supporting the U.S. response to the Ebola outbreak. 
Vilnius, Lithuania. On November 24, 2014, Lieutenant General Ben Hodges, the commander of U.S. 
Army Europe, stated that soldiers of the 1st Cavalry Division and later replacement units would 
rotate to locations in Eastern Europe through the end of 2015 as part of Operation Atlantic Resolve. 
Those rotations could continue beyond 2015.18 
Iraq. On December 19, 2014, Pentagon Press Secretary Navy Rear Adm. John Kirby announced that 
up to 1,300 more U.S. troops, including approximately 1,000 soldiers from the Army’s 82nd Airborne 
Division, wil  deploy to Iraq in late January 2015 “to train, advise and assist Iraqi security forces.”19 
2015 
Liberia and Senegal, West Africa. On January 8, 2015, Pentagon spokesman Army Colonel Steve 
Warren announced that 2,367 DOD personnel were involved in the battle to stop the spread of 
Ebola. Most of those personnel (2,174) are based in Liberia’s capital, Monrovia, and the remaining 193 
personnel were Marine Corps members and port operations personnel operating in Dakar, Senegal. 
The Pentagon noted that U.S. military personnel were not involved in treating patients with Ebola. 
Instead, U.S. military personnel provided continuing logistical support and training for health care 
workers, testing medical samples, and constructing treatment units.20 
Korea. On March 20, 2015, the Defense Secretary approved the nine-month rotation of a multiple 
launch rocket system (MLRS) battalion of approximately 400 soldiers from the 2nd Battalion, 20th Field 
                                                 
14 Cheryl Pellerin, “Army Expeditionary Laboratory Team to Deploy to Liberia,” DOD News, October 31, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603564/.  
15 DOD, “Statement by Pentagon Press Secretary Rear Admiral John Kirby on the Authorization to Deploy Additional 
Forces to Iraq,” press release, NR-562-14, November 7, 2014, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/605265/statement-by-pentagon-press-secretary-rear-
admiral-john-kirby-on-the-authorizat/.  
16 Maj. Dale Greer, “Troops Establish Air Bridge for Ebola Response,” DOD News, November 10, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603625/troops-establish-air-bridge-for-ebola-response/.  
17 “Hagel Mobilizes Reserve Forces in Support of Operation United Assistance,” DOD News, November 14, 2014, at 
https://www.defense.gov/Explore/News/Article/Article/603652/hagel-mobilizes-reserve-forces-in-support-of-
operation-united-assistance/.  
18 David Vergun, “Eastern Europe Troop Rotations Could Continue, Commander Says,” DOD News, Army News 
Service, November 24, 2014, at https://www.defense.gov/Explore/News/Article/Article/603712/eastern-europe-troop-
rotations-could-continue-commander-says/.  
19 Jake Richmond, “Hagel Authorizes Up to 1,300 Additional Troops to Deploy to Iraq,” DOD News, December 19, 
2014, at https://www.defense.gov/Explore/News/Article/Article/603838/hagel-authorizes-up-to-1300-additional-
troops-to-deploy-to-iraq/.  
20 Claudette Roulo, “DoD Releases Breakdown of Ebola Response Effort,” DOD News, January 8, 2015, at 
https://www.defense.gov/Explore/News/Article/Article/603892/dod-releases-breakdown-of-ebola-response-
effort/igphoto/2001868737/.  
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Artil ery to the Republic of Korea (ROK) in June.21 They wil  join the 210th Field Artil ery Brigade at 
Camp Casey, ROK. 
Iraq. On June 10, 2015, President Obama authorized Defense Secretary Carter to provide a small 
increase in additional U.S. personnel to be deployed to Iraq in a noncombat role. The President 
authorized up to 450 additional U.S. personnel to deploy to Iraq to expand the U.S. advise-and-assist 
mission at Al-Taqaddum Air Base in support of the Iraqi government.22 This brings U.S. troop totals 
up to 3,550 authorized across Iraq. These forces are intended to provide an advisory, training, and 
support role and not conduct offensive ground combat operations.23 
Iraq, Afghanistan, and Middle East. On August 5, 2015, the Army announced unit rotations involving 
3,000 troops in August and September. About 1,250 soldiers from the 1st Brigade Combat Team, 10th 
Mountain Division, based at Fort Drum, New York, are slated to rotate to Iraq for nine months.24 An 
additional 300 10th Mountain troops are to join another 1,000 troops from the 3rd Brigade Combat 
Team of the 10th Mountain based at Fort Polk, Louisiana, to deploy to Afghanistan.25 
Kuwait. On September 24, 2015, the Department of the Army announced that approximately 4,000 
soldiers from the 2nd Brigade, 1st Infantry Division stationed at Fort Riley, Kansas, wil  deploy in late 
fall.26 The deployment is a nine-month rotational replacement of troops. 
Cameroon. On October 14, 2015, President Obama sent a letter to the Speaker of the House, 
consistent with the War Powers Resolution, regarding the deployment of 90 U.S. troops to 
Cameroon, with the consent of the government of Cameroon, to help fight against the Islamist 
militants Boko Haram. This deployment is in advance of expected additional U.S. Armed Forces 
personnel to Cameroon to conduct airborne intelligence, surveillance, and reconnaissance operations 
in the region.27 The total number of U.S. military personnel to be deployed is approximately 300.  
Republic of Korea. On November 30, 2015, the Department of the Army announced today the 1st 
Cavalry Division’s 1st Armored Brigade Combat Team wil  deploy with approximately 4,500 soldiers 
to the Republic of Korea in early 2016. This deployment is part of a regular rotation of forces in 
support of U.S. Forces Korea.28 
2016 
Iraq. On June 11, 2016, Secretary of Defense Ash Carter, in Baghdad, announced to U.S. coalition 
allies that an additional 560 troops wil  be deployed to Iraq to assist in the fight against ISIL. He 
commended them for recent progress in the fight against ISIL, including the capture of a strategic 
airfield near the town of Qayyarah that wil  aid operations to free Mosul.29  
                                                 
21 “Multiple Launch Rocket System Battalion Rotation Approved,” DOD News, March 20, 2015, at 
https://www.defense.gov/Explore/News/Article/Article/604317/multiple-launch-rocket-system-battalion-to-rotate-to-
south-korea/.  
22 DOD, “Statement from the Department of Defense on Additional U.S. Personnel to Deploy to Iraq,” press release, 
NR-225-15, June 10, 2015, at https://www.defense.gov/Newsroom/Releases/Release/Article/605555/statement-from-
the-department-of-defense-on-additional-us-personnel-to-deploy-t/.  
23 The White House, Office of the Press Secretary, “Press Conference Call on Additional Steps to Counter ISIL,” June 
10, 2015, at https://obamawhitehouse.archives.gov/the-press-office/2015/06/10/press-conference-call-additional-steps-
counter-isil.  
24 Richard Sisk, “Army Announces Troop Rotations to Iraq and Afghanistan,” Military.com, August 6, 2015, at 
http://www.military.com/daily-news/2015/08/06/army-announces-troop-rotations-to-iraq-and-afghanistan.html.  
25 Ibid. 
26 DOD, “Department of Army Announces Upcoming Rotational Deployment,” press release, NR-372-15, September 
24, 2015, at https://www.defense.gov/Newsroom/Releases/Release/Article/620443/department-of-army-announces-
upcoming-rotational-deployment/. 
27 The White House, Office of the Press Secretary, “Letter from the President—War Powers Resolution Regarding 
Cameroon,” October 14, 2015, at https://obamawhitehouse.archives.gov/the-press-office/2015/10/14/letter-from-
president-war-powers-resolution-cameroon.  
28 DOD, “DA Announces Upcoming Rotational Deployment,” press release, NR-453-15, November 30, 2015, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/631512/da-announces-upcoming-rotational-
deployment/.  
29 DOD, “Defense Secretary Commends Iraqi Forces, Announces New Accelerants to Combat ISIL in Visit to Iraq,” 
press release, NR-259-16, July 11, 2016, at https://www.defense.gov/Newsroom/Releases/Release/Article/832829/.  
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Afghanistan, Iraq, Syria, Turkey, Somalia, Yemen, Djibouti, Libya, Cuba, Central Africa, Egypt, Jordan, 
NATO/Kosovo. On June 13, 2016, President Obama sent a letter to the Speaker of the House, 
consistent with the War Powers Resolution, regarding the deployment of U.S. Armed Forces in these 
strategic areas as part of U.S. military operations in support of U.S. counterterrorism objectives 
against al-Qaida, the Taliban, and the Islamic State of Iraq and the Levant (ISIL).30  
South Sudan. The American Embassy announced on July 11, 2016, an additional 40 U.S. troops to help 
protect the U.S. embassy in South Sudan, after a series of fighting kil ed hundreds in Juba, the 
country’s capital.31 Beginning on July 14, 2016, up to approximately 200 U.S. Armed Forces with 
appropriate combat equipment, including those forces initially prepositioned in Djibouti, are 
prepositioning in Uganda for this purpose.32  
Afghanistan. On August 5, 2016, the Department of the Army announced the deployment of 2nd 
Brigade Combat Team, 101st Airborne Division (Air Assault), stationed in Fort Campbell, Kentucky, 
with approximately 400 soldiers to Iraq this summer in support of Operation Inherent Resolve.33 
Afghanistan. The Department of the Army announced on September 6, 2016, that the 3rd Brigade 
Combat Team, 101st Airborne Division (Air Assault), Fort Campbell, Kentucky, wil  deploy about 
1,400 soldiers in the fall of 2016 to Afghanistan in support of Operation Freedom’s Sentinel.34 
Iraq. Defense Secretary Carter announced on September 28, 2016, that 600 additional U.S. troops are 
headed to Iraq ahead of a major offensive to retake the city of Mosul from the Islamic State.35 The 
current cap for U.S. troops in Iraq is over 4,600, meaning the new deployment wil  push the troop 
level there to well over 5,200.36  
Haiti. On October 7, 2016, the Defense Department announced that the USS Mesa Verde with 300 
marines on board received orders to support SOUTHCOM with humanitarian efforts after Hurricane 
Matthew.37 
Yemen. On October 14, 2016, President Obama sent a letter to the Speaker of the House, consistent 
with the War Powers Resolution, directing U.S. Armed Forces to conduct missile strikes on radar 
facilities in Houthi-control ed territory in Yemen. Initial assessments showed that the radar facilities 
were destroyed by the strikes.38 
                                                 
30 The White House, Office of the Press Secretary, “Letter from the President—War Powers Resolution,” June 13, 
2016, at https://obamawhitehouse.archives.gov/the-press-office/2016/06/13/letter-president-war-powers-resolution. 
31 Department of State, Overseas Security Advisory Council (OSAC) Bureau of Diplomatic Security, “Security 
Message for U.S. Citizens: Update about Juba Unrest,” July 11, 2016, at https://www.osac.gov/Content/Report/
5d6abd25-cea6-49df-80dc-15f4add8cf0d and “Letter from the President—War Powers Resolution,” July 13, 2016, at 
https://obamawhitehouse.archives.gov/the-press-office/2016/07/13/letter-president-war-powers-resolution.  
32 The White House. Office of the Press Secretary. “Letter from the President—War Powers Resolution,” July 15, 
2016, at https://obamawhitehouse.archives.gov/the-press-office/2016/07/15/letter-president-war-powers-resolution.  
33 “Army Public Affairs, “Department of the Army Announces 101st Airborne Division Deployment,” August 11, 2016, 
at https://www.army.mil/article/172903/department_of_the_army_announces_101st_airborne_division_deployment.  
34 Army Public Affairs, “Army Announces 3rd Brigade Combat Team, 101st Airborne Division Deployment,” 
September 9, 2016, at https://www.army.mil/article/174606/
army_announces_3rd_brigade_combat_team_101st_airborne_division_deployment.  
35 Terri Moon Cronk, “Carter: 600 Troops to Deploy to Enable Iraqis to Retake Mosul from ISIL,” U.S. Central 
Command, September 28, 2016, at http://www.centcom.mil/MEDIA/NEWS-ARTICLES/News-Article-View/Article/
958881/carter-600-troops-to-deploy-to-enable-iraqis-to-retake-mosul-from-isil/.  
36 Richard Sisk, “U.S. Sending 600 More U.S. Troops to Iraq to Bolster Drive on Mosul,” Military.com, September 28, 
2016, at http://www.military.com/daily-news/2016/09/28/us-sending-600-more-troops-to-iraq-to-bolster-drive-on-
mosul.html. 
37 DOD, “Department of Defense’s Preparation, Support, and Recovery Efforts for Hurricane Matthew,” Press 
Operations Release No: NR-355-16, Oct. 7, 2016, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/968728/department-of-defenses-preparation-support-
and-recovery-efforts-for-hurricane-m/. 
38 The White House. Office of the Press Secretary. “Letter from the President—War Powers Resolution,” October 14, 
2016, at https://obamawhitehouse.archives.gov/the-press-office/2016/10/14/letter-president-war-powers-resolution.  
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Afghanistan. On December 8, 2016, the Department of the Army announced the deployment of 1st 
Brigade Combat Team, 1st Armored Division, stationed in Fort Bliss, Texas, with approximately 1,500 
soldiers to Afghanistan this winter. This deployment is part of a regular rotation of forces in support 
of Operation Freedom's Sentinel.39 
2017 
Europe. On January 5, 2017, Pentagon Press Secretary Peter Cook announced the United States is 
demonstrating its continued commitment to col ective security through a series of actions designed 
to reassure NATO allies and partners of America's dedication to enduring peace and stability in the 
region in light of the Russian intervention in Ukraine. Tanks, trucks, and other equipment are 
scheduled to arrive in Europe this weekend, beginning a nine-month rotation of U.S. Army forces 
supporting Operation Atlantic Resolve. The arrival of troops (3,500 soldiers) and equipment from 
Third Armor Brigade Combat Team, 4th Infantry Division out of Fort Carson, Colorado, marks the 
beginning of the continuous presence of an ABCT and back-to-back rotations of U.S. troops and 
equipment in Europe. After the equipment arrives at Bremerhaven, Germany, it wil  move by rail, 
commercial line haul, and military convoy to Poland. The personnel and equipment wil  later be 
relocated throughout the region for training and exercises with European allies. This effort is part of 
the nation’s European Reassurance Initiative to maintain persistent, rotational presence of air, land, 
and sea forces in Central and Eastern Europe.40 
Iraq. According to Army Colonel Brett Sylvia, the brigade's commander, the 101st Airborne Division's 
2nd Brigade Combat Team returned to Fort Campbell, Kentucky, in January 2017, and was replaced 
by the 82nd Airborne Division's 2nd Brigade Combat Team in Iraq.41 
Guatemala. Continuing Promise 17 personnel arrived in Puerto Barrios, Guatemala, on January 30, for 
the operation’s first stop of its three-month humanitarian mission. Continuing Promise 17 is a 
SOUTHCOM-sponsored and U.S. Naval Forces Southern/U.S. 4th Fleet deployment to conduct civil-
military operations. Included are humanitarian assistance, training engagements and medical, dental, 
and veterinary support in an effort to show U.S. support and commitment to Central and South 
America.42  
Korea. Secretary of Defense James Mattis announced on February 3, 2017, that “due to North Korea's 
threatening rhetoric and destabilizing behavior,” the United States stands with its allies by taking 
defensive steps such as deploying the highly effective THAAD antimissile unit to the Republic of 
Korea, to protect its people and U.S. troops stationed there.43 
Germany. Forty-nine U.S. Army helicopters, as well as trucks and other support equipment from the 
10th Combat Aviation Brigade (CAB), arrived in Europe to begin a nine-month rotation in support of 
Operation Atlantic Resolve in February 2017. The equipment arriving by ship in the Port of 
Bremerhaven, Germany, on February 11 included UH-60 Black Hawk and CH-47F Chinook 
helicopters. An additional 20 helicopters are scheduled to arrive later in the month according to 
Army Command Sergeant Major Steven DiGeorgio, command sergeant major of the 10th CAB. The 
battalion departed from Fort Drum, New York, in January. Soldiers who arrived with the equipment 
                                                 
39 Army Public Affairs, “Department of the Army announces 1st Brigade Combat Team, 1st Armored Division 
Deployment,” December 8, 2016, at https://www.army.mil/article/179366/
department_of_the_army_announces_1st_brigade_combat_team_1st_armored_division_deployment.  
40 DOD, “Department of Defense Press Briefing by Pentagon Press Secretary Peter Cook in the Pentagon Briefing 
Room,” news transcript, January 5, 2017, at 
https://www.defense.gov/Newsroom/Transcripts/Transcript/Article/1042944/department-of-defense-press-briefing-by-
pentagon-press-secretary-peter-cook-in/. See also, “Eucom Commander: U.S. Armored Brigade’s Deployment to 
Poland ‘Significant’,” January 12, 2017, at https://www.defense.gov/Explore/News/Article/Article/1048463/eucom-
commander-us-armored-brigades-deployment-to-poland-significant/.  
41 David Vergun, “Task Force Commander Describes Assisting Iraqi Troops in Drive on Mosul,” Army News Service, 
May 4, 2017, at https://www.defense.gov/Explore/News/Article/Article/1172442/task-force-commander-describes-
assisting-iraqi-troops-in-drive-on-mosul/.  
42 Navy Petty Officer 2nd Class Brittney Cannady, “Continuing Promise Mission Provides Aid in Honduras,” DOD 
News, February 28, 2017, at https://www.defense.gov/Explore/News/Article/Article/1097313/continuing-promise-
mission-provides-aid-in-honduras/. 
43 DOD, “Remarks by Secretary Mattis and Defense Minister Han in Seoul, Republic of Korea,” news transcript, 
February 3, 2017, at https://www.defense.gov/Newsroom/Transcripts/Transcript/Article/1070902/remarks-by-
secretary-mattis-and-defense-minister-han-in-seoul-republic-of-korea/.  
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prepared it for delivery to staging bases throughout Eastern Europe for a nine-month rotation to 
train with NATO partners. “A large proportion of this brigade wil  go to Katterbach and Il esheim, 
Germany,” said Army Major General Duane Gamble, the 21st Theater Sustainment Command 
commander. Advance teams arrived in Il esheim on February 8, and about 2,000 soldiers are 
scheduled to be stationed there and in nearby Ansbach.44 
Romania. On February 16, 2017, soldiers, tanks, and M88 recovery vehicles from the 1st Battalion, 8th 
Infantry Regiment’s “Fighting Eagles” arrived in support of Operation Atlantic Resolve. More than 350 
U.S. soldiers arrived with another 150 set to arrive before the end of February. They unloaded M1A2 
Abrams tanks from the first train that arrived February 14 to an eastern Romanian airbase located 
about 12 miles away from the Black Sea.45 
Honduras. An opening ceremony in Trujil o, Honduras, on February 21 marked the start of the second 
mission stop for Continuing Promise 2017. Continuing Promise 17 is a SOUTHCOM-sponsored and 
U.S. Naval Forces Southern/U.S. 4th Fleet-conducted deployment to conduct civil-military operations 
including humanitarian assistance, training engagements and medical, dental, and veterinary support to 
show U.S. support and commitment to Central and South America.46 
 
Germany. On February 22, 2017, Air Force Air Mobility Command C-5 Galaxy transports delivered 
AH-64 Apache helicopters to Ramstein Air Base, Germany, and are expected to deliver UH-60 Black 
Hawks to Latvia at the end the month as part of Operation Atlantic Resolve. The Apache helicopters 
are based out of Fort Bliss, Texas, and the Black Hawks are based at Fort Drum, New York. They are 
deployed to Europe on a nine-month rotation in support of Operation Atlantic Resolve. Some 
helicopters are being airlifted to various areas across Europe, while other equipment is moved by rail. 
The combat aviation brigade wil  bring nearly 2,200 troops and about 50 Black Hawk, 10 Chinook, 
and 24 Apache helicopters to Germany, Latvia, and Romania.47 
Germany. On February 24, 2017, members of the Iowa Air National Guard's 185th Air Refueling Wing 
based in Sioux City, Iowa, are refueling NATO Airborne Warning and Control System aircraft while 
assigned here. Approximately 40 members from the 185th are in Germany for two weeks supporting 
NATO missions. The 185th wil  remain in Germany until the end of the week and wil  be fol owed by 
another Air Guard unit from Topeka, Kansas.48 
Greece. Eight UH-60 Black Hawk helicopters and more than 70 other pieces of equipment arrived at 
the Port of Thessaloniki on February 25 as part of the 10th Combat Aviation Brigade’s nine-month 
rotational deployment in support of Operation Atlantic Resolve. The helicopters arriving in Greece 
are part of a European theater rotation that includes armor and air assets that began arriving in 
January. The troops wil  train with the United States’ allies and partners as well as respond to crises, 
should it be required. This is the first ful  aviation regionally allocated force to OAR and U.S. Army 
Europe.49 
Syria. On March 10, 2017, during a DOD press conference, General Robert Neller was asked about 
the reported 400 marines sent to Syria, but he would not discuss ongoing operations.50 Defense 
                                                 
44 DOD News, “U.S. Helicopters Arrive in Europe for Atlantic Resolve Duty,” U.S. European Command News 
Release, February 14, 2017, at https://www.defense.gov/News/Article/Article/1082735/us-helicopters-arrive-in-europe-
for-atlantic-resolve-duty/. 
45 Army 1st Lt. Samuel Jolley, “U.S. Soldiers, Armored Vehicles Arrive in Romania,” DOD News, February 16, 2017, 
at https://www.defense.gov/Explore/News/Article/Article/1085924/us-soldiers-armored-vehicles-arrive-in-romania/.  
46 Navy Petty Officer 2nd Class Brittney Cannady, “Continuing Promise Mission Provides Aid in Honduras,” DOD 
News, February 28, 2017, at https://www.defense.gov/News/Article/Article/1097313/continuing-promise-mission-
provides-aid-in-honduras/. 
47 DOD News, “Air Force Delivers Army Helicopters to Europe,” U.S. European Command News Release, February 
22, 2017, at https://www.defense.gov/News/Article/Article/1090074/air-force-delivers-army-helicopters-to-europe/. 
48 Air Force Staff Sgt. Daniel Ter Haar, “Iowa Air Guard Refueling Wing Supports NATO Missions,” February 24, 
2017, at https://www.defense.gov/News/Article/Article/1093676/iowa-air-guard-refueling-wing-supports-nato-
missions/. 
49 Army Spc. Kelsey Little, “Black Hawks Arrive in Greece,” U.S. Army Europe, February 27, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1096363/black-hawks-arrive-in-greece/. 
50 DOD, “Department of Defense Press Briefing by Gen. Neller in the Pentagon Briefing Room,” news transcript, 
March 10, 2017, at https://www.defense.gov/Newsroom/Transcripts/Transcript/Article/1110404/department-of-
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officials announced the day before that about 400 marines and Army rangers were deployed to Syria 
to assist in the fight against the Islamic State.51 
Peru. On March 30, 2017, the State Department announced that the United States has helped with 
flood relief support since the disaster began in Peru. The United States has allocated more than 
$775,000, along with in-kind assistance, to support a humanitarian response. Four U.S. disaster 
assistance teams are currently on the ground to support the Peruvian government’s response efforts 
and to help provide water, improved sanitation, and hygiene assistance. The United States has also 
provided 10 helicopters, which are supporting humanitarian relief operations.52 
Afghanistan. A group of citizen airmen from the 507th Security Forces Squadron deployed March 3 to 
Kandahar Air Base, Afghanistan, to support the Afghan air force in its fight against insurgents in 
support of NATO’s Resolute Support mission. For the next six months, the team wil  be part of a fly-
away security team. Air Force FAST teams are made up of security forces airmen who travel with 
aircraft to provide extra security around unsecured overseas airfields.53  
Uruguay. On April 6, 2017, a Navy P-8 aircraft deployed from Jacksonvil e, Florida, to Uruguay to join 
an international effort in search of the Republic of Korea vessel, the Stellar Daisy.54 
Korea. On May 19, 2017, the Army announced the summer 2017 deployment of almost 4,000 soldiers 
from the 2nd Armored Brigade Combat Team, 1st Cavalry Division, stationed at Fort Hood, Texas, to 
the Republic of Korea. As part of the regular rotation of forces, the 2nd Armored Brigade Combat 
Team wil  replace the 1st Armored Brigade Combat Team, 1st Infantry Division and support the 
United States Forces-Korea’s commitment.55 
Iraq and Kuwait. The Department of the Army announced on May 19, 2017, the deployment of 250 
soldiers from the III Corps Headquarters stationed at Fort Hood, Texas, in support of Operation 
Inherent Resolve.56 
Egypt. In late May, a Minnesota National Guard infantry battalion handed over responsibility for the 
Multinational Force and Observers mission to an incoming Massachusetts National Guard infantry 
battalion.57  
England. Two B-2 Spirit stealth bombers arrived on June 9 from Whiteman Air Force Base, Missouri, 
joining B-1B Lancer and B-52 H Stratofortress bombers already there in theater assurance and 
deterrence operations. Three B-52Hs from Barksdale Air Force Base, Louisiana, and three B-1Bs 
from El sworth Air Force Base, South Dakota, along with about 800 airmen, are supporting exercises 
Saber Strike and BALTOPS in the European theater. While not actively participating in ongoing 
regional exercises, the B-2s join the other Air Force Global Strike Command assets in support of 
recurring bomber assurance and deterrence operations.58 
                                                 
defense-press-briefing-by-gen-neller-in-the-pentagon-briefing-room/.  
51 Tara Copp, “Hundreds of Marines, Army Rangers deploy to Syria in the fight against Islamic State,” Stars and 
Stripes, March 9, 2017, at https://www.stripes.com/news/middle-east/hundreds-of-marines-army-rangers-deploy-to-
syria-in-the-fight-against-islamic-state-1.457959.  
52 Mark C. Toner, “Flood Relief Support to Peru,” U.S. Department of State, Press Statement, March 30, 2017, at 
[archived] https://2017-2021.state.gov/flood-relief-support-to-peru/index.html.  
53 Air Force Maj. Jon Quinlan, “Air Force Reservists Serve in Afghanistan,” DOD News, April 25, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1162267/air-force-reservists-serve-in-afghanistan/.  
54 DOD, “Department of Defense Briefing by Admiral Tidd in the Pentagon Briefing Room,” news transcript, April 6, 
2017, at https://www.defense.gov/Newsroom/Transcripts/Transcript/Article/1144531/department-of-defense-briefing-
by-admiral-tidd-in-the-pentagon-briefing-room/.  
55 Charlsy Panzino, “Army Announces deployments for almost 4,000 soldiers,” Army Times, May 19, 2017, at 
https://www.armytimes.com/news/your-army/2017/05/19/army-announces-deployments-for-almost-4000-soldiers/.  
56 U.S. Army Public Affairs, “Department of the Army announces III Corps deployment,” May 19, 2017, at 
https://www.army.mil/article/188064/department_of_the_army_announces_iii_corps_deployment.  
57 Army Sgt. 1st Class Jim Greenhill, “National Guard Contributes to U.S.-Egypt Strategic Partnership,” DOD News, 
May 25, 2017, at https://www.defense.gov/News/Article/Article/1194485/national-guard-contributes-to-us-egypt-
strategic-partnership/. 
58 Air Force Maj. Jeffrey M. Bishop, “B-2 Spirit Stealth Bombers Arrive in England,” U.S. Air Forces in Europe-Air 
Forces Africa, June 13, 2017, at https://www.defense.gov/Explore/News/Article/Article/1211848/.  
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Sri Lanka. The guided-missile cruiser USS Lake Erie arrived to Colombo, Sri Lanka, on June 11 to 
support humanitarian assistance operations in the wake of severe flooding and landslides that 
devastated many regions of the country.59  
England. In a long-standing total force partnership between Air Force Reserve Command and U.S. Air 
Forces in Europe, members of the 507th Air Refueling Wing are augmenting the 100th Air Refueling 
Wing to provide KC-135R Stratotanker air refueling support to the European theater of operations 
in a deployment July 1-29, 2017. Airmen, along with their KC-135s, rotate monthly from various 
AFRC units to support the 100th ARW's robust refueling requirements. The 507th ARW wil  operate 
three rotations during 2017. In addition to the 507th ARW, Reserve crews from the 459th ARW, Joint 
Base Andrews, Maryland; 452nd Air Mobility Wing, March Air Reserve Base, California; 916th ARW, 
Seymour Johnson Air Force Base, North Carolina; 931st ARW, McConnell Air Force Base, Kansas; 
940th ARW, Beale Air Force Base, California; and the 434th ARW, Grissom Air Reserve Base, Indiana, 
have deployed to support USAFE aerial refueling requirements.60 
Southwest Asia. On September 5, the Army's XVIII Airborne Corps, led by Lieutenant General Stephen 
J. Townsend, completed their deployment as the headquarters of CJRF-OIR and returned to home 
station at Fort Bragg, North Carolina. The mission continues under the III Corps out of Fort Hood, 
Texas, led by Lieutenant General Paul E. Funk II.61 
Caribbean. Joint Task Force-Leeward Islands, commanded by Marine Colonel Mike Samarov, deployed 
to Puerto Rico on September 9 to support the evacuation of U.S. citizens: Provided assistance to 
French and Dutch military partners in the island of St. Maarten after Hurricanes Irma and Maria. The 
task force purified more than 21,000 gallons of water, and distributed more than 7,000 gallons; 
delivered nine water purification systems; as well as high-capacity forklifts and vehicles to help the 
Dutch and French governments offload and distribute aid on the island.62 
Afghanistan. In September, Secretary Mattis announced over 3,000 troops wil  deploy to Afghanistan.63  
Dominica. U.S. servicemembers with Joint Task Force-Leeward Islands began evacuating U.S. citizens 
stranded on the Caribbean island of Dominica on September 24, in the aftermath of Hurricane Maria. 
With the use of helicopters from the U.S. Army, Navy, and Marine Corps, more than 100 U.S. 
citizens have been evacuated to the nearby islands of Guadeloupe and Martinique. In order to 
facilitate the evacuation process, U.S. Marines with the task force created an evacuation control 
center at the Douglas-Charles Airport in Dominica.64  
Niger. The Pentagon announced on October 5 that three U.S. servicemembers were kil ed and two 
wounded while conducting an advise-and-assist mission.65 Two days later, AFRICOM announced the 
recovery of a fourth U.S. servicemember kil ed in the attack.66 See CRS Report R44995, Niger: 
Frequently Asked Questions About the October 2017 Attack on U.S. Soldiers, coordinated by Alexis Arieff. 
                                                 
59 DOD News, “U.S. Service Members Aid Sri Lanka after Devastating Floods,” June 13, 2017, at 
https://www.defense.gov/News/Article/Article/1211928/us-service-members-aid-sri-lanka-after-devastating-floods/. 
60 Air Force Maj. Jon Quinlan, “Total Force Airmen Maximize Refueling Capacity in Europe,” July 27, 2017, at 
https://www.af.mil/News/Article-Display/Article/1260214/total-force-airmen-maximize-refueling-capacity-in-europe/.  
61 Terri Moon Cronk, “Command Changes in Fight against ISIS, Mission Does Not, Official Says,” DOD News, 
September 7, 2017, at https://www.defense.gov/Explore/News/Article/Article/1302390/command-changes-in-fight-
against-isis-mission-does-not-official-says/. 
62 Admiral Kurt Tidd, Commander, Southern Command, “Remarks by Admiral Tidd in a Roundtable Discussion,” 
Transcript, September 21, 2017, at https://www.southcom.mil/Media/Speeches-Transcripts/Article/1321338/transcript-
remarks-by-admiral-tidd-in-a-roundtable-discussion/. 
63 DOD News Transcript, “Media Availability with Secretary Mattis,” Press Operations, September 18, 2017, at 
https://www.defense.gov/News/Transcripts/Transcript-View/Article/1315507/media-availability-with-secretary-mattis/. 
64 Gunnery Sgt. Zachary Dyer, “Joint Task Force - Leeward Islands begins evacuation of U.S. citizens in Dominica,” 
U.S. Southern Command, September 26, 2017, at http://www.southcom.mil/MEDIA/NEWS-ARTICLES/Article/
1324494/joint-task-force-leeward-islands-begins-evacuation-of-us-citizens-in-dominica/. 
65 DOD News, “Three U.S. Troops Killed, Two Wounded in Niger,” October 5, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1336092/three-us-troops-killed-two-wounded-in-niger/. 
66 DOD News, “Africom Announces Death of 4th Service Member in Niger Attack,” October 6, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1337250/africom-announces-death-of-4th-service-member-in-
niger-attack/.  
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Afghanistan, Syria, Africa, and elsewhere. On October 10, the Army announced rol ing out its first 
conventional units designed to carry out so-called train and assist missions that are the centerpiece of 
U.S. military strategy in these regions.67 See also CRS In Focus IF10675, Army Security Force Assistance 
Brigades (SFABs), by Andrew Feickert. 
Haiti. On November 18, Air Force Reservists from the Air Force Reserve Command's 514th Air 
Mobility Wing delivered 15 pallets of food, weighing 76,410 pounds, to Haiti as part of a humanitarian 
mission from November 16 to November 19.68 
Poland. The second nine-month rotation of the Atlantic Resolve Sustainment Task Force, attached to 
the 16th Sustainment Brigade, began earlier this month as the incoming rotation commenced 
reception, staging, onward movement, and integration operations in Powidz and Poznan, Poland, 
beginning December 2017.69  
Iraq and Syria, on December 6, 2017, the Pentagon announced that there are 5,200 U.S. troops in Iraq 
and 2,000 U.S. troops in Syria, and those numbers are trending down in compliance with Defense 
Secretary Mattis’ direction to give the American people a better idea of the commitment of U.S. 
forces in the region.70 
2018 
Afghanistan. In February 2018, the Army deployed its first conventional units designed to carry out the 
branch’s new emphasis on “advise-and-assist” missions, as stated by Army Chief of Staff Mark A. 
Mil ey in October 2017.71 The 1st Security Force Assistance Brigade (SFAB), stationed at Fort Benning, 
Georgia, wil  provide training and advising assistance to Afghan National Security Forces. The Fort 
Benning-based 1st SFAB is scheduled to return home in early 2019. See also CRS In Focus IF10675, 
Army Security Force Assistance Brigades (SFABs), by Andrew Feickert. 
Syria. On April 13, 2018, President Trump directed the U.S. military to conduct operations, in 
consonance with its allies (France and the United Kingdom), to destroy the Syrian chemical weapons 
research, development, and production capabilities. On April 15, 2018, President Trump sent a letter 
to the Speaker of the House, citing the War Powers Resolution, regarding the missile attack.72  
                                                 
67 Gary Sheftick, “First security force assistance brigade training for deployment,” Army News Service, October 16, 
2017, at https://www.army.mil/article/195178/first_security_force_assistance_brigade_training_for_deployment; Mark 
C. Olsen, “Air Force Reservists Deliver Humanitarian Aid to Haiti,” DOD News, November 27, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1380804/air-force-reservists-deliver-humanitarian-aid-to-haiti/.  
67 Army 1st Lt. Mark Schneider, 16th Sustainment Brigade, “Second Troop Rotation Arrives in Poland to Support 
Atlantic Resolve,” DOD News, December 27, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1404729/second-troop-rotation-arrives-in-poland-to-support-
atlantic-resolve/.  
67 Jim Garamone, “Pentagon Announces Troop Levels in Iraq, Syria,” DOD News, December 6, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1390079/pentagon-announces-troop-levels-in-iraq-
syria/army.mil/article/195178/first_security_force_assistance_brigade_training_for_deployment.  
68 Air Force Master Sgt. Mark C. Olsen, “Air Force Reservists Deliver Humanitarian Aid to Haiti,” DOD News, 
November 27, 2017, at https://www.defense.gov/Explore/News/Article/Article/1380804/air-force-reservists-deliver-
humanitarian-aid-to-haiti/.  
69 Army 1st Lt. Mark Schneider, 16th Sustainment Brigade, “Second Troop Rotation Arrives in Poland to Support 
Atlantic Resolve,” DOD News, December 27, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1404729/second-troop-rotation-arrives-in-poland-to-support-
atlantic-resolve/.  
70 Jim Garamone, “Pentagon Announces Troop Levels in Iraq, Syria,” DOD News, December 6, 2017, at 
https://www.defense.gov/Explore/News/Article/Article/1390079/pentagon-announces-troop-levels-in-iraq-syria/.  
71 Phillip Walter Wellman, “First troops among new front-line adviser brigade arrive in Afghanistan,” Stars and 
Stripes, February 22, 2018, at https://www.stripes.com/news/first-troops-among-new-front-line-adviser-brigade-arrive-
in-afghanistan-1.513060; and CRS In Focus IF10675, Army Security Force Assistance Brigades (SFABs), by Andrew 
Feickert.  
72 DOD, “Statement by Secretary James N. Mattis on Syria,” Release No: NR-113-18, April 13, 2018, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/1493610/statement-by-secretary-james-n-mattis-on-
syria/; and The White House, Office of the Press Secretary, “Letter to Congressional Leaders on United States Military 
Operations in Syria,” April 15, 2018, at https://www.govinfo.gov/content/pkg/DCPD-201800243/pdf/DCPD-
201800243.pdf.  
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Tanzania. From May to July 2018, U.S. Army soldiers with the 404th Civil Affairs Battalion, attached to 
Combined Joint Task Force Horn of Africa, have conducted training in countering il icit trafficking for 
Tanzania Wildlife Management Authority game wardens. The operations are to deter poachers and 
prevent extremist organizations from profiting from il icit activities.73 
Central and South America. The U.S. Navy deployed USNS Spearhead (T-EPF 1) in support of Southern 
Partnership Station 2018 to the Caribbean, Central and South America to conduct subject matter 
expert exchanges and water well construction projects from July to October 2018. Southern 
Partnership Station is an annual series of U.S. Navy deployments focused on exchanges with regional 
partner nation militaries and security forces. This year's deployment is to visit Panama, Colombia, 
Honduras, El Salvador, and Trinidad and Tobago to work alongside those nations' military forces, 
security forces, civilian health professionals, and other governmental agencies.74 Southern Partnership 
Station 2018 is a U.S. SOUTHCOM directed deployment planned by U.S. Naval Forces Southern 
Command /U.S. 4th Fleet (USNAVSO/FOURTHFLT) and conducted by deployed adaptive force 
packages (AFPs) under the direction of the Destroyer Squadron (DESRON) 40 staff. 
Thailand. The United States sent a search and rescue team to the Tham Luang cave in northern 
Thailand at the request of the Thai government to assist in the rescue mission of a soccer team and 
their coach, who entered the cave on June 23 and were trapped by floodwaters. DOD personnel 
staged equipment and prepared safe passage for the remaining players and coach. The DOD effort 
consisted of 42 deployed military personnel and one member from the Joint U.S. Military Advisory 
Group Thailand, said Army Col. Rob Manning.75 
Ukraine. On July 20, 2018, DOD announced that they wil  provide $200 mil ion to Ukraine in security 
cooperation funds for additional training, equipment, and advisory efforts to build the defensive 
capacity of Ukraine’s forces. The additional funds are to provide equipment to aid ongoing training 
programs and operational needs, including “capabilities to enhance Ukraine’s command and control, 
situational awareness systems, secure communications, military mobility, night vision, and military 
medical treatment. A timeline for delivery and fielding of equipment wil  be determined at a later 
date.”76  
Iceland. In an August 6, 2018, statement, DOD announced the 493rd Expeditionary Fighter Squadron 
began flying operations over Iceland as part of NATO’s Icelandic Air Surveillance mission and is 
providing resources to help reinforce the nation’s security and preparedness.77 More than 250 airmen 
are assigned to U.S. Air Forces in Europe-Air Forces Africa and 13 F-15C/D Eagles are deployed from 
Royal Air Force Lakenheath, England, with additional support from U.S. airmen assigned to Aviano Air 
Base, Italy. Four of the aircraft are tasked with direct support of the Icelandic Air Surveil ance mission, 
while the additional nine aircraft wil  conduct training missions. 
Europe and Africa. Nearly 6,500 sailors from the Harry S. Truman Carrier Strike Group (HSTCSG) 
returned to Naval Station Norfolk on December 15 and 16, 2018, after completing an eight-month 
deployment across the 2nd, 5th, and 6th Fleet areas of operation.78 HSTCSG deployed on April 11, 
2018, for a regularly scheduled deployment “as part of the ongoing rotation of forward deployed 
forces to support maritime security operations and operate in international waters across the globe.” 
In mid-July, several strike group units returned to Norfolk, Virginia, for a port visit, but departed in 
                                                 
73 DOD, “Civil Affairs Soldiers Enhance Tanzanian Operations to Counter Illicit Trafficking,” August 17, 2018, at 
https://www.defense.gov/Explore/News/Article/Article/1605309/civil-affairs-soldiers-enhance-tanzanian-operations-to-
counter-illicit-traffick/.  
74 U.S. 4th Fleet Public Affairs, “Spearhead Deploys, Marking the Start of Southern Partnership Station,” News, July 
26, 2018, at https://www.southcom.mil/MEDIA/NEWS-ARTICLES/Article/1584882/spearhead-deploys-marking-the-
start-of-southern-partnership-station/.  
75 Lisa Ferdinando, “DoD Personnel Assist in Thai Cave Rescue Operations,” DOD News, July 9, 2018, at 
https://www.defense.gov/Explore/News/Article/Article/1569955/dod-personnel-assist-in-thai-cave-rescue-operations/.  
76 DOD, “DOD Announces $200M to Ukraine,” New Release No: NR-222-18, July 20, 2018, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/1580606/dod-announces-200m-to-ukraine/.  
77 Air Force Staff Sgt. Alex Echols, “U.S. Air Force Pilots Help Guard Iceland’s Skies” DOD News, August 6, 2018, at 
https://www.defense.gov/Explore/News/Article/Article/1594242/us-air-force-pilots-help-guard-icelands-skies/.  
78 U.S. Fleet Forces Command Public Affairs, “USS Harry S. Truman Carrier Strike Group Returning Home,” Press 
Release, NNS181212-07, December 12, 2018. 
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late August to continue their deployment.79 The strike group’s ships and aircraft conducted a variety 
of missions, including forward naval presence, maritime security operations, theater security 
cooperation, and participation in numerous bilateral and multilateral operations and exercises to 
include exercises Lightning Handshake 2018, Baltic Operations 2018, and Trident Juncture 2018. 
Central and South America. A team comprised of more than 900 personnel, embarked aboard the 
Navy's Military Sealift Command hospital ship USNS Comfort, commenced their first mission stop in 
Esmeraldas, Ecuador, on October 20, 2018, as part of the U.S. Southern Command’s Enduring 
Promise initiative.80 The stop is part of an 11-week medical support mission to Central and South 
America with stops in Ecuador, Colombia, Peru, and Honduras. The embarked medical team wil  
provide care on board and at land-based medical sites.  
Afghanistan. On October 18, the Department of the Army announced the winter 2018-2019 rotation 
to Europe and Afghanistan of three 1st Infantry Division units stationed at Fort Riley, Kansas. The 1st 
Brigade Combat Team, 1st Infantry Division is to replace 1st Armored Brigade Combat Team, 1st 
Cavalry Division stationed at Fort Hood, Texas, as part of a regular rotation of forces to Europe in 
support of Operation Atlantic Resolve. The 1st Infantry Division Combat Aviation Brigade (CAB) is to 
replace 4th Infantry Division CAB, stationed at Fort Carson, Colorado, as part of a regular rotation of 
forces to Europe in support of Operation Atlantic Resolve. The 1st Infantry Division Sustainment 
Brigade is to replace the 101st Airborne Division Sustainment Brigade stationed at Fort Campbell, 
Kentucky, as a part of a regular rotation of forces to Afghanistan in support of Operation Freedom's 
Sentinel.81 Also on October 18, the Army announced that the 2nd SFAB, based in Fort Bragg, North 
Carolina, and currently in training, is scheduled to replace the 1st SFAB in Afghanistan in spring 
2019.82 See CRS In Focus IF10675, Army Security Force Assistance Brigades (SFABs), by Andrew Feickert. 
Yemen. The United States plans to col aborate on building up legitimate Yemeni forces “to defend the 
Yemeni people, secure their country’s borders, and contribute to counter Al Qaeda and ISIS efforts 
in Yemen and the region,” stated Secretary of Defense James N. Mattis on November 9, 2018. The 
United States is to also continue working with the coalition and Yemen to “expand urgent 
humanitarian efforts throughout the country,” as well as work to “support the United Nations’ 
ongoing efforts on this new phase in Yemen.”83 
Africa. On November 15, 2018, DOD announced the realignment of Counter-Violent Extremist 
Organization personnel operating in U.S. Africa Command to support priorities outlined in the 
National Defense Strategy. Over the next several years, the realignment projects a reduction of about 
10% of the 7,200 military forces serving in Africa Command.84 
Syria. The U.S. military is setting up several observation posts in Syria beside the border with Turkey. 
In a press briefing held on November 21, 2018, Defense Secretary James. N. Mattis stated that the 
purpose of these posts is to provide Turkey with military intelligence of any terrorist elements 
moving into Turkey from Syria. The posts are to be manned by troops who are already operating in 
                                                 
79 Navy Lt. j.g. Marc Rockwellpate, “USS Harry S. Truman Carrier Strike Group Begins Operations in U.S. 6th Fleet,” 
DOD News, September 19, 2018, https://www.defense.gov/Explore/News/Article/Article/1638784/uss-harry-s-truman-
carrier-strike-group-begins-operations-in-us-6th-fleet/.  
80 Seaman James Wilson, “USNS Comfort Begins Medical Site Set-up in Ecuador,” U.S. Southern Command, October 
22, 2018, at https://www.southcom.mil/MEDIA/NEWS-ARTICLES/Article/1667970/usns-comfort-begins-medical-
site-set-up-in-ecuador/#:~:text=ESMERALDAS%2C%20Ecuador%20%E2%80%93%20A%20team%20comprised,20.  
81 U.S. Army of Public Affairs, “Department of the Army announces upcoming 1st Infantry Division units’ rotation,” 
October 18, 2018, at https://www.army.mil/article/212544/
department_of_the_army_announces_upcoming_1st_infantry_division_units_rotation.  
82 Matthew Cox, “Deployments Announced: Army to Send Next Advisory Unit to Afghanistan in 2019,” Military.com, 
October 18, 2018, at https://www.military.com/daily-news/2018/10/18/deployments-announced-army-send-next-
advisory-unit-afghanistan-2019.html.  
83 “Statement by Secretary of Defense James N. Mattis on Refueling Saudi Coalition Aircraft,” Press Release No: NR-
318-18, November 9, 2018, at https://www.defense.gov/Newsroom/Releases/Release/Article/1688151/statement-by-
secretary-of-defense-james-n-mattis-on-refueling-saudi-coalition-a/.  
84 DOD News, “Pentagon Announces Force Optimization,” Press Release No: NR-325-18, November 15, 2018, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/1691538/pentagon-announces-force-optimization/.  
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the area in the fight against the Islamic State of Iraq and Syria. There would not be an increase in 
troop levels to accomplish this mission.85 
Honduras. On December 10, 2018, DOD reported that the USNS Comfort provided humanitarian 
assistance in several Central and South American countries by treating more than 20,000 civilians and 
performing over 600 surgeries.86 Included were a number of refugees from Venezuela. 
2019 
Syria. In early January 2019, U.S. forces began withdrawing equipment—but not personnel—from 
Syria. In late February, the White House announced that the United States would leave approximately 
400 troops in Syria, reversing President Trump’s withdrawal announcement from December 2018.87 
South Korea. As part of a regular rotation of forces in support of the Republic of Korea, the 
Department of the Army announced on March 29, 2019 that the 3rd Armored Brigade Combat Team, 
1st Cavalry Division, stationed at Fort Hood, Texas is to replace the 3rd Armored Brigade Combat 
Team, 1st Armored Division.88 
Iraq. On March 29, 2019, the Department of the Army announced summer 2019 deployment to Iraq 
of the 1st Stryker Brigade Combat Team, 25th Infantry Division, U.S. Army Alaska, stationed at Fort 
Wainwright, Alaska. The 1st Stryker Brigade Combat Team is to replace the 1st Brigade Combat 
Team, 101st Airborne Division, as part of a regular rotation of forces in support of Operation 
Inherent Resolve.89 On May 31, 2019, the Department of the Army announced the fall 2019 
deployment to Iraq of the III Corps Headquarters, stationed at Fort Hood, Texas. As part of the 
regular rotation of forces, III Corps Headquarters is to replace XVIII Airborne Corps Headquarters, 
as the headquarters of the Combined Joint Task Force-Operation Inherent Resolve.90  
Afghanistan. On March 29, 2019, the Department of the Army announced the summer 2019 rotation 
to Afghanistan of the 3rd Brigade Combat Team, 82nd Airborne Division, stationed at Fort Bragg, 
North Carolina.91 The 3rd Brigade Combat Team is to replace the 2nd Brigade Combat Team, 10th 
Mountain Division. On May 31, 2019, the Department of the Army announced an upcoming 2019 
rotation to Afghanistan of the 1st Armored Division Headquarters stationed at Fort Bliss, Texas. The 
1st Armored Division Headquarters is to replace the 4th Infantry Division Headquarters. Both 
replacements are part of a regular rotation of forces in support of Operation Freedom's Sentinel.92  
                                                 
85 David Vergun, “U.S. Setting up Observation Posts on Syria-Turkey Border,” DOD News, November 21, 2018, at 
https://www.defense.gov/Explore/News/Article/Article/1696781/us-setting-up-observation-posts-on-syria-turkey-
border/; and Terri Moon Cronk, “U.S. Setting Up Observation Posts in Syria to Keep ISIS From Entering Turkey,” 
November 27, 2018, at https://www.defense.gov/Explore/News/Article/Article/1699161/us-setting-up-observation-
posts-in-syria-to-keep-isis-from-entering-turkey/. 
86 David Vergun, “DOD Spokesman: As U.S. Provides Aid to Central, South America, Russia Sends Bombers,” DOD 
News, December 10, 2018, at https://www.defense.gov/Explore/News/Article/Article/1709295/dod-spokesman-as-us-
provides-aid-to-central-south-america-russia-sends-bombers/. 
87 DOD, “Acting Secretary Shanahan and General Dunford Media Availability Prior to Honors Parade,” News 
transcripts, February 22, 2019, at https://www.defense.gov/Newsroom/Transcripts/Transcript/Article/1765690/acting-
secretary-shanahan-and-general-dunford-media-availability-prior-to-honor/.   
88 U.S. Army Public Affairs, “Department of the Army announces upcoming 3rd ABCT, 1st Cavalry Division, unit 
rotation March 29, 2019, at https://www.army.mil/article/219419/
department_of_the_army_announces_upcoming_3rd_abct_1st_cavalry_division_unit_rotation.  
89 U.S. Army of Public Affairs, “Department of the Army announces upcoming 1st BCT, 25th ID, U.S. Army Alaska 
unit rotation,” March 29, 2019, at https://www.army.mil/article/219416/
department_of_the_army_announces_upcoming_1st_bct_25th_id_us_army_alaska_unit_rotation.  
90 U.S. Army of Public Affairs, “Department of the Army announces upcoming III Corps Headquarters deployment,” 
May 31, 2019, at https://www.army.mil/article/221344/
department_of_the_army_announces_upcoming_iii_corps_headquarters_deployment.  
91 U.S. Army of Public Affairs, “Department of the Army announces upcoming 3rd BCT, 82nd Airborne Division, unit 
rotation,” March 29, 2019, at https://www.army.mil/article/219420/
department_of_the_army_announces_upcoming_3rd_bct_82nd_airborne_division_unit_rotation.  
92 U.S. Army of Public Affairs, “Department of the Army announces upcoming 1st Armored Division Headquarters unit 
rotation,” May 31, 2019, at https://www.army.mil/article/221341/
department_of_the_army_announces_upcoming_1st_armored_division_headquarters_unit_rotation.  
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Japan. From April 9 to April 17, U.S. Navy P-8A maritime patrol aircraft and a guided-missile 
destroyer USS Stethem (DDG 63) assisted Japanese-led search and rescue efforts for the pilot of a 
Japan Air Self Defense Force (JASDF) F-35A, missing since April 9. The P-8A aircraft are assigned to 
Patrol Squadron (VP) 8 and Patrol Squadron (VP) 5. Both squadrons are homeported in Jacksonvil e, 
Florida and are on rotational deployments to the 7th Fleet out of Misawa, Japan. The USS Stethem is 
forward-deployed to Yokosuka, Japan (it was announced on April 26 that it would shift its homeport 
to San Diego for its midlife modernization).93 In late April, the United States had dispatched the 
salvage team aboard the commercial diving support construction vessel DSCV Van Gogh, unmanned 
underwater vehicles and a TPL-25 “black box detector.” On May 8, after locating debris from the 
downed JASDF F-35A, the U.S. Navy ended its mission.94 
Lithuania. The United States and Lithuania have signed a defense-cooperation agreement on April 2, 
2019. The five-year agreement says the United States would send forces to the Baltic states “to 
strengthen deterrence and to catalyze the efforts of Estonia, Latvia and Lithuania to develop their 
national defense further.” Lithuania’s Defense Ministry is to provide all necessary support for the 
deployment of U.S. forces.95  
Japan. The U.S. Navy announced on April 26, 2019 that the amphibious assault ship USS America (LHA 
6) and landing platform dock USS New Orleans (LPD 18) wil  become part of the U.S. 7th Fleet 
forward-deployed naval forces (FDNF) in Sasebo, Japan. The USS America is a new, more-capable 
amphibious assault able to deploy with a heavier configuration of the Joint Strike Fighter (F-35B) as 
part of an embarked U.S. Marine Corps Air Combat Element (ACE) than its predecessors and serve 
as a light aircraft carrier.96  
Indo-Pacific. On May 1, 2019, “about 4,500 sailors and Marines left San Diego, California for a 
scheduled deployment to the Indo-Pacific and Central Command regions” with the Boxer 
Amphibious Ready Group and 11th Marine Expeditionary Unit, including dock landing ship USS 
Harper’s Ferry (LSD-49), amphibious transport dock USS John P. Murtha (LPD-26), and amphibious 
assault ship USS Boxer (LHD-4).97 
Middle East. On May 10, 2019, the DOD approved the deployment of the USS Arlington and a Patriot 
missile defense battery to join the USS Abraham Lincoln carrier strike group and a U.S. Air Force 
bomber task force, which were deployed earlier in that week to the region in response to increasing 
tensions between the United States and Iran.98 On May 24, 2019, DOD “approved the deployment of 
about 1,500 service members and additional capabilities to the Middle East to deter Iranian efforts to 
destabilize the region.”99 Adm. Michael Gilday, director of the Joint Staff, clarified in a DOD briefing 
on Iran that the 1,500 service members involve extending the deployment of about 600 troops with 
four Patriot missile batteries already in the region and sending less than 1,000 other service members 
to the Middle East.100 In response to recent attacks on oil tankers in the Gulf of Oman. On June 13, 
                                                 
93 U.S. Navy, Commander, Naval Forces Japan Public Affairs, “USS America, USS New Orleans to Forward Deploy to 
Japan; USS Stethem, USS Wasp to Return to U.S.,” Press Release NNS190426-09, April 26, 2019.  
94 U.S. Navy, Commander, U.S. 7th Fleet Public Affairs, “U.S. Navy P-8A and Destroyer Join JSDF Search for 
Japanese F-35A Pilot,” Press Release NNS190410-01, April 10, 2019.  
95 DOD, “U.S., Lithuania Detail Roadmap for Cooperation Through 2024,” News, April 2, 2019, at 
https://www.defense.gov/News/News-Stories/Article/Article/1803578/us-lithuania-detail-roadmap-for-cooperation-
through-2024/.  
96 U.S. Navy, Commander, Naval Forces Japan Public Affairs, “USS America, USS New Orleans to Forward Deploy to 
Japan; USS Stethem, USS Wasp to Return to U.S.,” Press Release NNS190426-09, April 26, 2019.  
97 U.S. Navy, Commander, U.S. Third Fleet Public Affairs Sailors, “Marines of Boxer Amphibious Ready Group 
Deploy from San Diego,” Press Release NNS190502-11, May 2, 2019.  
98 “Statement from the Department of Defense on Additional Forces to U.S. Central Command,” Press Release No: 
NR-116-19, May 10, 2019, at https://www.defense.gov/Newsroom/Releases/Release/Article/1844752/statement-from-
the-department-of-defense-on-additional-forces-to-us-central-com/.  
99 Jim Garamone, “DOD Approves Force Protection Deployment for Middle East,” May 24, 2019, at 
https://www.defense.gov/explore/story/Article/1857913/shanahan-approves-force-protection-deployment-for-middle-
east/.  
100 DOD, “Department of Defense Briefing on Iran,” news transcript, May 24, 2019, at 
https://www.defense.gov/Newsroom/Transcripts/Transcript/Article/1857948/department-of-defense-briefing-on-iran/.  
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2019, two oil tankers were attacked near the Strait of Hormuz while they transited the Gulf of 
Oman. The Japanese Kokuka Courageous and Norwegian Front Altair were attacked, allegedly with 
limpet mines or flying objects, sustaining fire damage. The US 5th Fleet, based in Bahrain, said it had 
sent the USS Bainbridge to assist.101 On June 17, 2019, then-Acting Defense Secretary Patrick M. 
Shanahan announced that the United States would send 1,000 additional troops for defensive 
purposes to address air, naval, and ground-based threats in the Middle East.102 See CRS Report 
R45795, U.S.-Iran Tensions and Implications for U.S. Policy, for more information. 
Venezuela. The U.S. Navy hospital ship USNS Comfort (T-AH 20) deployed in June from Naval Station 
Norfolk to the Caribbean, Central America and South America to conduct a five-month humanitarian 
medical assistance mission in response to the Venezuela political and economic crisis. On July 3, the 
ship finished its first medical mission in Manta, Ecuador. Marking the seventh hospital ship deployment 
to the region since 2007, this deployment is part of U.S. Southern Command’s Enduring Promise 
initiative and reflects the United States’ ongoing commitment to friendship, partnership, and solidarity 
with partner nations in the Caribbean, Central America and South America.103  
Poland. On June 12, 2019, President Trump and Polish President Andrzej Duda announced that Poland 
wil  host 1,000 additional U.S. troops under a new security agreement. With the increase, the total 
number of U.S. forces typically deployed to the NATO ally as a deterrent to Russia would come to 
more than 5,000. According to President Trump, as many as 2,000 troops would be moved from 
Germany to Poland under the new agreement—without adding to the overall number of U.S. troops 
in Europe. The new U.S. contingent “would include special operations forces, logistics troops and an 
Army division headquarters.” 104 The troops would be deployed to Poland on a rotational basis.  
Saudi Arabia. On September 26, 2019, Secretary of Defense Mark Esper announced the U.S. would 
deploy approximately 200 support personnel along with one Patriot Battery and four Sentinel 
RADARs to augment the kingdom’s air and missile defenses in light of recent attacks.105  
Europe. On October 4, 2019, U.S Army Europe announced that troops and equipment from 2nd 
Brigade Combat Team, 1st Cavalry Division, from Fort Hood, Texas, wil  replace 1st Brigade Combat 
Team, 1st Infantry Division, from Fort Riley, Kansas, in Vlissingen, Netherlands, Oct. 10-15. The 1st 
Brigade Combat Team, 1st Infantry Division, served in Europe for nine months in support of the 
Atlantic Resolve mission to provide a continuous presence across eastern Europe.106  
Saudi Arabia. On October 11, 2019, Secretary Esper, at the request of U.S. Central Command 
(CENTCOM), authorized an additional 3,000 troops that have been extended or authorized within 
the last month; and since May, “DOD has increased the number of forces by approximately 14,000 to 
the U.S. CENTCOM area of responsibility as an investment into regional security.”107  
Afghanistan and South Korea. On December 5, 2019, the Army announced upcoming deployments to 
Afghanistan and South Korea for U.S. soldiers from 10th Mountain Division and 1st Infantry Division. 
The 2nd Brigade Combat Team, 1st Infantry Division, out of Fort Riley, Kansas, wil  deploy for a winter 
                                                 
101 Jim Garamone, “DOD Approves Force Protection Deployment for Middle East,” May 24, 2019, at 
https://www.defense.gov/explore/story/Article/1857913/shanahan-approves-force-protection-deployment-for-middle-
east/.  
102 “Statement from Acting Secretary of Defense Patrick Shanahan on Additional Forces to U.S. Central Command,” 
Press Release No: NR-158-19, June 17, 2019. 
103 U.S. Navy, USNS Comfort Public Affairs, “Comfort Completes First Medical Mission of 2019 Deployment in 
Manta,” Press Release NNS190705-02, July 5, 2019. 
104 Wesley Morgan, “Poland will host 1,000 more US troops, Trump says,” Politico.EU, June 13, 2019, at 
https://www.politico.eu/article/poland-will-host-1000-more-us-troops-trump-says/.  
105 DOD, “DOD Statement on Deployment of U.S. Forces and Equipment to the Kingdom of Saudi Arabia,” News 
Release, September 26, 2019, at https://www.defense.gov/Newsroom/Releases/Release/Article/1972415/dod-
statement-on-deployment-of-us-forces-and-equipment-to-the-kingdom-of-saudi/.  
106 U.S. Army Europe, “Next Atlantic Resolve armored rotation to arrive at the port of Vlissingen,” October 4, 2019, at 
https://www.europeafrica.army.mil/ArticleViewPressRelease/Article/1982103/next-atlantic-resolve-armored-rotation-
to-arrive-at-the-port-of-vlissingen/.  
107 DOD, “DOD Statement on Deployment of Additional U.S. Forces and Equipment to the Kingdom of Saudi Arabia, 
News Release, October 11, 2019, at https://www.defense.gov/Newsroom/Releases/Release/Article/1987575/dod-
statement-on-deployment-of-additional-us-forces-and-equipment-to-the-kingdo/.  
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2020 rotation to South Korea; and the Army’s 1st Brigade Combat Team, 10th Mountain Division, 
stationed at Fort Drum, New York, wil  be rotating this winter to Afghanistan as part of the Army’s 
commitment to Operation Freedom Sentinel (OFS) in the country.108 
Middle East. On Dec. 31, 2019, approximately 100 Marines have been deployed to the U.S. embassy in 
Baghdad to reinforce security fol owing its attack, according to news reports. “The extra Marines are 
coming from a Special Purpose Marine Air-Ground Task Force based in the region,” officials told Task 
& Purpose.109 According to a statement by Defense Secretary Mark Esper, “We are sending additional 
forces to support our personnel at the Embassy.”110 Later the same day, Esper announced the 
immediate deployment of about 750 infantry battalion from the Immediate Response Force (IRF) of 
the 82nd Airborne Division in Fort Bragg, NC to the Middle East in response to the attack on the U.S. 
embassy in Baghdad.111 Esper also noted that additional forces from the IRF are prepared to deploy 
over the next several days. 
2020 
Kuwait. In early January 2020, the Department of Defense deployed an additional 2,800 troops from 
the IRF of the 82nd Airborne Division in Fort Bragg, North Carolina. The additional soldiers would 
first head to Kuwait.112 This deployment sends the rest of the brigade to the region, putting the 
number of U.S. servicemembers deployed there in late December 2019/early January 2020 at about 
3,500. 
Africa. On February 12, 2020, the Secretary of Defense announced that the Army’s 1st Security Force 
Assistance Brigade, based at Fort Benning, GA, would soon deploy to Africa to provide training and 
assistance to African forces as a way to better compete with Russia and China. The deployment is the 
result of a review of DOD forces, programs, and activities within each Combatant Command to 
ensure support with the National Defense Strategy’s priorities. As a result, infantry brigade personnel 
from the 101st Airborne Division would return to Fort Campbell, KY.113 
International. On March 25, 2020, Secretary of Defense Mark Esper enacted a 60-day stop movement 
order for all DOD uniformed and civilian personnel and their sponsored family members overseas. 
The stop movement order, which would impact approximately 90,000 servicemembers, affects all 
overseas exercises, deployments, redeployments, and other global force management activities. This 
measure was taken to prevent the spread of Coronavirus Disease 2019 (COVID-19), protect U.S. 
personnel, and preserve the operational readiness of U.S. forces.114 
                                                 
108 Kyle Rempfer, “Army announces winter deployments to Korea and Afghanistan,” Army Times, December 5, 2019, 
at https://www.armytimes.com/news/your-army/2019/12/05/army-announces-winter-deployments-to-korea-and-
afghanistan/; and “Army announces upcoming 2nd BCT, 1st Infantry Division unit rotation,” December 5, 2019, at 
https://www.army.mil/article/230131/army_announces_upcoming_2nd_bct_1st_infantry_division_unit_rotation. 
109 Jeff Schogol, “About 100 Marines to reinforce security at US embassy in Baghdad after Iranian-backed attack,” 
Task & Purpose, December 31, 2019, at https://taskandpurpose.com/marines-reinforce-baghdad-embassy.  
110 DOD, “DOD Statement on Iraq from Secretary Esper,” News Release, December 31, 2019, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/2048868/dod-statement-on-iraq-from-secretary-esper/. 
111 DOD, “SD Statement on Deployment of 82nd Airborne Division,” News Release, December 31, 2019, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/2048934/sd-statement-on-deployment-of-82nd-airborne-
division/; and Shawn Snow, Howard Altman, and Philip Athey, “750 soldiers with 82nd Airborne headed for 
CENTCOM, additional 4,000 troops expected to deploy as Iran tensions mount,” Military Times, December 31, 2019, 
at https://www.militarytimes.com/flashpoints/2020/01/01/750-soldiers-with-82nd-airborne-headed-for-centcom-
additional-4000-troops-expected-to-deploy-as-iran-tensions-mount/  
112 Kyle Rempfer, “No cellphones, laptops were allowed to go with Army 82nd paratroopers deploying to Middle East,” 
Army Times, January 6, 2020, at https://www.armytimes.com/news/your-army/2020/01/06/no-cell-phones-laptops-
were-allowed-to-go-with-82nd-paratroopers-deploying-to-middle-east/; and Ryan Browne and Veronica Stracqualursi, 
“US deploys thousands of additional troops to Middle East following Soleimani killing,” January 4, 2020, at 
https://www.cnn.com/2020/01/03/politics/us-troops-middle-east-soleimani/index.html. 
113 DOD, “Statement on the Deployment of Army’s 1st Security Force Assistance Brigade to Africa,” News Release, 
Feb. 12, 2020, at https://www.defense.gov/Newsroom/Releases/Release/Article/2082314/statement-on-the-
deployment-of-armys-1st-security-force-assistance-brigade-to-a/. 
114 DOD, “Overseas Stop Movement Order in Response to COVID-19,” News Release, March 25, 2020, at 
https://www.defense.gov/News/Releases/Release/Article/2125725/overseas-stop-movement-order-in-response-to-
covid-19/.  
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Afghanistan. On April 23, 2020, the Army announced the 4th Infantry Division Combat Aviation 
Brigade (CAB) wil  replace the 10th Mountain Division Combat Aviation Brigade as part of a regular 
rotation of forces to support the United States’ commitment to OFS.115 In the upcoming deployment 
to CENTCOM, which wil  be known as “Task Force Ivy Eagle,” the 4th CAB wil  be augmented by 
members of the National Guard, sourced primarily from Utah's 1st Battalion, 211th Aviation 
Regiment,116 In addition, the 4th Security Forces Assistance Brigade at Fort Carson, CO, wil  replace 
the 3rd Security Forces Assistance Brigade as part of a regular rotation of forces to support OFS.117 
Europe. On April 23, 2000, the Army announced that the 1st Cavalry Division Headquarters stationed 
at Fort Hood, Texas, wil  deploy to Europe this summer. The 1st Cavalry Division Headquarters 
contingent wil  replace the 1st Infantry Division Headquarters as the Atlantic Resolve Division 
Headquarters (Forward) in Poznan, Poland, in support of the United States’ commitment to NATO 
allies and partners.118 In addition, the Army announced the upcoming rotation of the 2nd Armored 
Brigade Combat Team, 3rd Infantry Division stationed at Fort Stewart, Georgia to Europe. The 2nd 
ABCT wil  replace 2nd Brigade Combat Team, 1st Cavalry Division in support of the United States’ 
commitment to NATO allies and partners.119  
Iraq. The Army announced on April 23, 2020, the upcoming summer rotation to Iraq of the 2nd 
Brigade Combat Team, 82nd Airborne Division stationed at Fort Bragg, NC, to replace the 1st Brigade 
Combat Team, 25th Infantry Division, in support of OIR.120 
Italy. DOD, in coordination with the Department of State, announced to provide humanitarian 
support to the Italian Republic as part of its global coronavirus pandemic relief efforts including 
transporting non-DoD medical equipment, providing relief supplies, and providing military personnel 
to support civilian humanitarian operations efforts.121 See also CRS In Focus (IF11480), Overview: The 
Department of Defense and COVID-19, in the section entitled, “What are some of DOD's relevant 
Humanitarian Assistance/Disaster Relief (HA/DR) capabilities?” for more information. 
Germany. On July 1, 2020, about 250 soldiers assigned to the 101st Airborne Division's 101st Combat 
Aviation Brigade arrived in Germany for a nine-month rotation as part of the regional forces 
supporting Atlantic Resolve.122 To mitigate the spread of COVID-19, the brigade wil  spend two 
weeks at Camp Kasserine in Grafenwoehr, Germany, isolated in small groups, before moving to 
forward locations alongside allies and partners.123 
Europe. On September 24, 2020, the Army announced the Fall 2020 rotation to Europe of the 1st 
Armored Brigade Combat Team, 1st Cavalry Division, stationed at Fort Hood, Texas, to replace the 
2nd Armored Brigade Combat Team, 3rd Infantry Division in support of Operation Atlantic 
Resolve.124  
                                                 
115 Army Public Affairs, “Army announces upcoming 4th Infantry Division Combat Aviation Brigade, unit rotation,” 
Army.mil, April 23, 2020, at https://www.army.mil/article/234811/
army_announces_upcoming_4th_infantry_division_combat_aviation_brigade_unit_rotation.  
116 Ibid. 
117 Army Public Affairs, “Army announces upcoming 4th Security Forces Assistance Brigade, unit rotation,” Army.mil, 
April 23, 2020, at https://www.army.mil/article/234812/
army_announces_upcoming_4th_security_forces_assistance_brigade_unit_rotation.  
118 Army Public Affairs, “Army announces upcoming 1st Cavalry Division Headquarters, unit rotation,” April 23, 2020, 
at https://www.army.mil/article/234805/army_announces_upcoming_1st_cavalry_division_headquarters_unit_rotation.  
119 Army Public Affairs, “Army announces upcoming 2nd ABCT, 3rd Infantry Division, unit rotation,” April 23, 2020, at 
https://www.army.mil/article/234806/army_announces_upcoming_2nd_abct_3rd_infantry_division_unit_rotation.  
120 Army Public Affairs, “Army announces upcoming 2nd BCT, 82nd Airborne Division, unit rotation,” April 23, 2020, 
at https://www.army.mil/article/234810/army_announces_upcoming_2nd_bct_82nd_airborne_division_unit_rotation.  
121 DOD News, “DOD Humanitarian Assistance to the Italian Republic in Response to COVID-19,” April 20, 2020, at 
https://www.defense.gov/Newsroom/Releases/Release/Article/2157126/dod-humanitarian-assistance-to-the-italian-
republic-in-response-to-covid-19/.  
122 Army Sgt. Alleea Oliver, “Brigade Quarantines after Arriving in Germany in Support of Atlantic Resolve,” DOD 
News, July 1, 2020, at https://www.defense.gov/Explore/Features/Story/Article/2242647/brigade-quarantines-after-
arriving-in-germany-in-support-of-atlantic-resolve/source/GovDelivery/.  
123 Ibid. 
124 Army Public Affairs, “Army announces upcoming 1st ABCT, 1st Cavalry Division, unit rotation,” September 24, 
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Central America. On November 12, 2020, it was reported that 250 troops from JTF-Bravo, U.S. Army 
South, Special Operations Command South, and other U.S. Southern Command entities distributed 
amongst Honduras, Panama and Guatemala in support of humanitarian relief after Hurricane Eta.125 
INDOPACOM region. On December 17, 2020, the Army announced the winter rotation of some 
elements of the 5th Security Force Assistance Brigade, stationed at Joint Base Lewis-McChord, 
Washington, to the Indo-Pacific Command (INDOPACOM) region.126 
2021 
Afghanistan and Iraq. On January 15, 2021, acting Defense Secretary Chris Mil er announced that troop 
 
levels in Iraq and Afghanistan have decreased. Per the announcement, “there are now 2,500 U.S. 
service members in Iraq and 2,500 in Afghanistan. It is the lowest number of U.S. troops in 
 
Afghanistan since operations started there in 2001.” 127 
 
Korea. On March 25, 2021, the Army announced its Spring 2021 rotation to Korea of the 3rd 
 
Armored Brigade Combat Team, 1st Armored Division, stationed at Fort Bliss, Texas to replace the 
 
1st Brigade Combat Team, 3rd Infantry Division in support of the U.S. commitment to the Republic 
 
of Korea. 128  
 
Afghanistan. On April 15, 2021, President Biden announced that the United States would begin its final 
withdrawal of U.S. troops out of Afghanistan, beginning on May 1, 2021. On May 25, 2021, U.S. 
 
Central Command announced that they estimated the withdrawal is “somewhere between 16% and 
 
25% complete.” On July 8, 2021, President Biden announced that the military mission in Afghanistan 
 
would conclude on August 31, 2021, and the “number of U.S. forces in Afghanistan had been reduced 
to a bare minimum.”129 
 
Europe. On July 6, 2021, the Army announced the Fall 2021 rotation to Europe of the 1st Armored 
 
Brigade Combat Team, 1st Infantry Division, stationed at Fort Riley, Kansas to replace the 1st 
 
Armored Brigade Combat Team, 1st Infantry Division in support of Operation Atlantic Resolve. The 
 
Army also announced its 2021 rotation to Iraq of the 1st Stryker Brigade Combat Team, 4th Infantry 
 
Division, stationed at Fort Carson, Colorado to replace the 256th Infantry Brigade Combat Team, 
Louisiana Army National Guard in support of Operation Inherent Resolve. 130  
 
Haiti. On August 15, 2021, U.S. Southern Command (SOUTHCOM) established Joint Task Force-
 
Haiti to conduct U.S. military operations in support of USAID-led foreign disaster assistance to the 
 
people of Haiti fol owing an earthquake and tropical storm. Among the assistance, SOUTHCOM has 
                                                 
2020, https://www.army.mil/article/239224/army_announces_upcoming_1st_abct_1st_cavalry_division_unit_rotation.  
125 JTF-Bravo Public Affairs, “JTF-Bravo commits to additional assistance,” November 12, 2020, at 
https://www.jtfb.southcom.mil/News/Article-Display/Article/2413413/jtf-bravo-commits-to-additional-assistance/. 
126 Army Public Affairs, “Army announces upcoming rotations for 5th SFAB teams,” December 17, 2020, at 
https://www.army.mil/article/241655/army_announces_upcoming_rotations_for_5th_sfab_teams; and “About 
USINDOPACOM,” at https://www.pacom.mil/About-USINDOPACOM/.  
127 Jim Garamone, “U.S. Completes Troop-Level Drawdown in Afghanistan, Iraq,” DOD News, January 15, 2021, at 
https://www.defense.gov/Explore/News/Article/Article/2473884/us-completes-troop-level-drawdown-in-afghanistan-
iraq/.  
128 Army Public Affairs, “Army announces upcoming 3rd ABCT, 1st Armored Division, unit rotation,” March 25, 
2021, at 
https://www.army.mil/article/244575/army_announces_upcoming_3rd_abct_1st_armored_division_unit_rotation. 
129 The White House, Office of the Press Secretary, “Remarks by President Biden on the Way Forward in 
Afghanistan,” April 14, 2021, at https://www.whitehouse.gov/briefing-room/speeches-remarks/2021/04/14/remarks-by-
president-biden-on-the-way-forward-in-afghanistan/; DOD News, “Afghanistan Retrograde Nearly One-Quarter 
Complete,” May 25, 2021, at https://www.defense.gov/Explore/News/Article/Article/2632456/afghanistan-retrograde-
nearly-one-quarter-complete/; and The White House, Office of the Press Secretary, “Remarks by President Biden on 
the Drawdown of U.S. Forces in Afghanistan,” July 8, 2021, at https://www.whitehouse.gov/briefing-room/speeches-
remarks/2021/07/08/remarks-by-president-biden-on-the-drawdown-of-u-s-forces-in-afghanistan/.  
130 U.S. Army Public Affairs, “Army announces upcoming 1st ABCT, 1st Infantry Division, unit rotation,” July 6, 
2021, at 
https://www.army.mil/article/247850/army_announces_upcoming_1st_abct_1st_infantry_division_unit_rotation; and 
U.S. Army Public Affairs, “Army announces upcoming 1st SBCT, 4th Infantry Division, unit rotation,” July 6, 2021, at 
https://www.army.mil/article/247852/army_announces_upcoming_1st_sbct_4th_infantry_division_unit_rotation. 
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provided air transport to move USAID Disaster Assistance Response Team personnel and supplies to 
 
affected areas, sent helicopters, and provided aerial images to support damage assessments. 131  
 
Afghanistan. On August 15, 2021, as the United States was completing its military withdrawal, the 
Taliban entered the Afghan capital of Kabul, rapidly taking over the country. The United States sent in 
 
additional forces to arrive (among the forces, the 82nd Airborne Division and a battalion from a 
 
Marine Expeditionary Unit) to assist with securing the airport in Kabul for the safe departure of U.S. 
 
citizens and eligible Afghans. See CRS Report R46879, U.S. Military Withdrawal and Taliban Takeover in 
 
Afghanistan: Frequently Asked Questions, by Clayton Thomas.  
 
Afghanistan. On August 30, 2021, Secretary of Defense Lloyd Austin III announced that the United 
States completed its military evacuation of civilians and withdrew al  U.S. forces from Afghanistan. 
 
Prior to this, on August 15, 2021, as the United States was completing its military withdrawal, the 
 
Taliban entered the Afghan capital of Kabul, rapidly taking over the country.132 
 
Europe. On October 8, 2021, the Army announced the fall rotational deployment of 4th Security 
 
Force Assistance Brigade (SFAB) elements to Europe. Advisor teams from the 4th SFAB, stationed at 
Fort Carson, Colorado, wil  deploy to multiple locations in the region to support the United States’ 
 
commitment to European Theater Security Cooperation.133 The Army also announced the 1st 
 
Cavalry Division Combat Aviation Brigade’s fall rotational deployment to Europe. Stationed at Fort 
 
Hood, Texas, the 1st Air Cavalry Brigade, wil  replace the 1st Infantry Division Combat Aviation 
 
Brigade to support the United States’ commitment to Atlantic Resolve.134 
 
Europe. On December 16, 2021, the Army announced spring rotational deployment of the 3rd 
Armored Brigade Combat Team (ABCT), 4th Infantry Division, to Europe. Stationed at Fort Carson, 
 
Colorado, the 3rd ABCT wil  replace the 1st Armored Brigade Combat Team, 1st Infantry Division, 
 
as part of a regular rotation of forces to support the U.S. commitment to NATO allies and 
 
partners.135  
 
South Korea. On December 16, 2021, the Army announced the spring rotational deployment of the 
1st Armored Brigade Combat Team (ABCT), 1st Armored Division, to Korea. Stationed at Fort Bliss, 
 
Texas, 1st ABCT wil  replace the 3rd Armored Brigade Combat Team, 1st Armored Division, as part 
 
of a regular rotation of forces to support the United States’ commitment to the Republic of Korea.136 
 
 
2022 
Tonga. The USS Sampson, a guided missile destroyer, arrived on January 24, 2022, as part of a 
multinational effort aiding the Pacific Ocean Kingdom of Tonga in the aftermath of the January 15 
eruption of the undersea volcano Hunga-Tonga-Hunga-Ha'apai.137 According to the U.S. Navy, the 
ship launched its helicopter to conduct intelligence, surveil ance and reconnaissance damage 
assessment of remote islands Niuafo’ou, Fonualei, Ofu and Fonuafo’ou.138 Romania, Poland and 
                                                 
131 U.S. Southern Command, “U.S. Southern Command Supports U.S. Disaster Assistance to Haiti,” Press Release. 
August 15, 2021, at https://www.southcom.mil/News/PressReleases/Article/2732060/us-southern-command-supports-
us-disaster-assistance-to-haiti/.  
132 DOD Press Release, “Statement by Secretary of Defense Lloyd Austin III on the End of the American War in 
Afghanistan,” August 30, 2021, at https://www.defense.gov/Newsroom/Releases/Release/Article/2759181/statement-
by-secretary-of-defense-lloyd-austin-iii-on-the-end-of-the-american-w/.  
133 Army Public Affairs, “Army announces upcoming deployment for 4th SFAB teams,” October 8, 2021, at 
https://www.army.mil/article/250750/army_announces_upcoming_deployment_for_4th_sfab_teams.  
134 Army Public Affairs, “Army announces upcoming 1st Air Cavalry Brigade, unit deployment,” October 8, 2021, at 
https://www.army.mil/article/250747/army_announces_upcoming_1st_air_cavalry_brigade_unit_deployment.  
135 Army Public Affairs, “Army announces upcoming 3rd ABCT, 4th Infantry Division, unit rotation,” December 16, 
2021, at 
https://www.army.mil/article/252604/army_announces_upcoming_3rd_abct_4th_infantry_division_unit_rotation.  
136 Army Public Affairs, “Army announces upcoming 1st ABCT, 1st Armored Division, unit rotation,” December 16, 
2021, at 
https://www.army.mil/article/252603/army_announces_upcoming_1st_abct_1st_armored_division_unit_rotation.  
137 Jim Garamone, “USS Sampson Delivers Aid, Assistance to Tonga after Volcano, Tsunami,” DOD News, January 
25, 2022, at https://www.defense.gov/News/News-Stories/Article/Article/2910665/uss-sampson-delivers-aid-
assistance-to-tonga-after-volcano-tsunami/. 
138 Ibid. 
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Germany. On February 2, 2022, DOD announced that approximately 3,000servicemembers wil  move 
to Romania, Poland and Germany in response to Russia's build-up of forces on its western border 
with Ukraine and in Belarus.139 DOD’s Posture Updates in Support of Allies in Europe stated that 
“1,000 U.S. Forces repositioned from Germany to Romania; and an additional 2,000 Multi-Mission 
“Assure and Deter” Forces from Fort Bragg, North Carolina, wil  deploy to Poland and Germany 
while 8,500 forces remain in the United States on heightened readiness.”140 
Poland, Europe. On February 11, 2022, a senior defense official said that 3,000 soldiers from the 82nd 
Airborne Division based at Fort Bragg, North Carolina, would deploy to Europe. Per the senior 
defense official, "this second tranche of airborne soldiers wil  join in Poland the first tranche of 1,700 
soldiers and key enablers that Secretary Austin ordered there on February 2.” In addition, Secretary 
of Defense Lloyd J. Austin III is “temporarily repositioning” 160 troops training Ukraine's military out 
of the country.141 
Poland, Europe. In a DOD news release on February 24, 2022, the Defense Secretary conveyed that in 
the face of Russian aggression, the United States deployed an additional 15,000 forces in recent days 
and weeks and now has more than 90,000 U.S. service members in Europe.142  
                                                 
139 Jim Garamone, “U.S. to Deploy 3,000 Troops to Romania, Poland, Germany,” DOD News, February 2, 2022, at 
https://www.defense.gov/News/News-Stories/Article/Article/2920844/us-to-deploy-3000-troops-to-romania-poland-
germany/. See also Related Transcript: Pentagon Press Secretary John F. Kirby Holds a Press Briefing at 
https://www.defense.gov/News/Transcripts/Transcript/Article/2921277/pentagon-press-secretary-john-f-kirby-holds-a-
press-briefing/.  
140 DOD Fact Sheet, “Posture Updates in Support of Allies in Europe,” February 2, 2022, at 
https://media.defense.gov/2022/Feb/02/2002931655/-1/-1/0/EUROPE-POSTURE-UPDATES-FACT-SHEET.PDF.  
141 Jim Garamone, “More U.S. Troops to Deploy to Europe, Guardsmen Reassigned Out of Ukraine,” DOD News, 
February 12, 2022, at https://www.defense.gov/News/News-Stories/Article/Article/2933203/more-us-troops-to-deploy-
to-europe-guardsmen-reassigned-out-of-ukraine/.  
142 DOD News Release, “Readout of Secretary of Defense Lloyd J. Austin III's Calls with NATO Ally Counterparts, 
February 24, 2022, at https://www.defense.gov/News/Releases/Release/Article/2945927/readout-of-secretary-of-
defense-lloyd-j-austin-iiis-calls-with-nato-ally-counte/; and DOD FACT SHEET: Posture Updates in Support of Allies 
in Europe, February 25, 2022, at https://media.defense.gov/2022/Feb/25/2002945659/-1/-1/0/FACTSHEET-
POSTURE-UPDATE-IN-SUPPORT-OF-ALLIES-IN-EUROPE.PDF.  
Congressional Research Service 
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Related CRS Products 
CRS Report R44853, Additional Troops for Afghanistan? Considerations for Congress, by 
Kathleen J. McInnis and Andrew Feickert.  
CRS Report R45818, Afghanistan: Background and U.S. Policy, by Clayton Thomas.  
CRS In Focus IF10675, Army Security Force Assistance Brigades (SFABs), by Andrew Feickert. 
CRS Insight IN10797, Attack on U.S. Soldiers in Niger: Context and Issues for Congress, by 
Alexis Arieff. 
CRS In Focus IF10535, Defense Primer: Congress’s Constitutional Authority with Regard to the 
Armed Forces, by Jennifer K. Elsea. 
CRS In Focus IF10539, Defense Primer: Legal Authorities for the Use of Military Forces, by 
Jennifer K. Elsea. 
CRS In Focus IF10534, Defense Primer: President’s Constitutional Authority with Regard to the 
Armed Forces, by Jennifer K. Elsea. 
CRS Report R43377, The Central African Republic: Background and U.S. Policy, by Alexis 
Arieff and Tomas F. Husted. 
CRS In Focus IF10182, Sudan, by Lauren Ploch Blanchard.  
CRS Report RL31133, Declarations of War and Authorizations for the Use of Military Force: 
Historical Background and Legal Implications, by Jennifer K. Elsea and Matthew C. Weed.  
CRS In Focus IF10404, Iraq and U.S. Policy, by Christopher M. Blanchard.  
CRS Report R43612, The Islamic State and U.S. Policy, by Christopher M. Blanchard and Carla 
E. Humud. 
CRS Insight IN11806, Russian Military Buildup Along the Ukrainian Border, by Andrew S. 
Bowen.  
CRS In Focus IF10165, South Korea: Background and U.S. Relations, by Mark E. Manyin, 
Emma Chanlett-Avery, and Brock R. Williams.  
CRS In Focus IF12040, U.S. Security Assistance to Ukraine, by Christina L. Arabia, Andrew S. 
Bowen, and Cory Welt.  
CRS Report R46879, U.S. Military Withdrawal and Taliban Takeover in Afghanistan: Frequently 
Asked Questions, coordinated by Clayton Thomas.  
CRS Report RS21405, U.S. Periods of War and Dates of Recent Conflicts, by Barbara Salazar 
Torreon.  
CRS Report R41481, U.S.-South Korea Relations, coordinated by Mark E. Manyin.  
CRS Video WVB00438, The Ukraine Crisis and U.S.-Russia Relations, by Cory Welt and 
Andrew S. Bowen.  
CRS Report R42699, The War Powers Resolution: Concepts and Practice, by Matthew C. Weed. 
Congressional Research Service 
51 
Instances of Use of United States Armed Forces Abroad, 1798-2021 
 
Sources 
In addition to the historical resources listed in the “Introduction,” below are official government 
websites that serve as authoritative sources of information for this report. 
Department of Defense (DOD), News Releases  
https://www.defense.gov/News/Releases/ 
DOD, Secretary of Defense Speeches  
https://dod.defense.gov/News/Speeches/SECDEF-All-Speeches/  
DOD, Transcripts  
https://www.defense.gov/News/Transcripts/ 
[Archived] DOD, America’s Continued Commitment to European Security, Operation Atlantic 
Resolve 
https://dod.defense.gov/News/Special-Reports/0218_Atlantic-Resolve/  
[Archived] DOD, Operation Inherent Resolve (OIR), Targeted Operations to Defeat ISIS 
https://dod.defense.gov/OIR/  
DOD, Unified Command Plan, Commanders’ Area of Responsibility 
https://www.defense.gov/know-your-military/combatant-commands/  
Department of the Army, Official Army Announcements 
https://www.army.mil/news/newsreleases  
Department of the Army, Joint Publication 3-29, Foreign Humanitarian Assistance, 14 May 2019, 
https://www.jcs.mil/Portals/36/Documents/Doctrine/pubs/jp3_29.pdf  
Department of the Navy, Press Releases 
https://www.navy.mil/Press-Office/Press-Releases/ 
Department of State, Bureau of Global Public Affairs: Office of the Spokesperson 
https://www.state.gov/bureaus-offices/under-secretary-for-public-diplomacy-and-public-affairs/
bureau-of-global-public-affairs/office-of-the-spokesperson/  
The White House Briefing Room, Briefings and Statements 
https://www.whitehouse.gov/briefing-room/ 
 
 
Author Information 
 
Barbara Salazar Torreon 
  Sofia Plagakis 
Senior Research Librarian 
Research Librarian 
    
    
Congressional Research Service 
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Instances of Use of United States Armed Forces Abroad, 1798-2021 
 
 
 
Disclaimer 
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Congressional Research Service  
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