This article contains the length and list of major conflicts, invasions and wars participated by the
United States Armed Forces
The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is ...
since its creation in 1775. The longest to date is the
War in Afghanistan
War in Afghanistan, Afghan war, or Afghan civil war may refer to:
*Conquest of Afghanistan by Alexander the Great (330 BC – 327 BC)
* Muslim conquests of Afghanistan (637–709)
*Conquest of Afghanistan by the Mongol Empire (13th century), see al ...
with about 20 years of duration.
Lengths of U.S. combat forces' participation in wars
War
War is an intense armed conflict between states, governments, societies, or paramilitary groups such as mercenaries, insurgents, and militias. It is generally characterized by extreme violence, destruction, and mortality, using regular o ...
in the context of this list is broadly construed to be a direct armed conflict between organized U.S. military forces and organized forces of (a) belligerent(s).
''(Note: Ongoing wars are indicated in bold and with red bars.)''
''Sources are found in the main articles of each war, as well as the Associated Press.''
See also
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United States military deployments
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Foreign policy of the United States
The officially stated goals of the foreign policy of the United States of America, including all the bureaus and offices in the United States Department of State, as mentioned in the ''Foreign Policy Agenda'' of the Department of State, are ...
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United States Department of Defense
The United States Department of Defense (DoD, USDOD or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government directly related to national sec ...
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Declaration of war by the United States
A declaration of war is a formal declaration issued by a national government indicating that a state of war exists between that nation and another. A document by the Federation of American Scientists gives an extensive listing and summary of stat ...
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Military history of the United States
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Foreign interventions by the United States
The United States has been involved in numerous foreign interventions throughout its history. By the broadest definition of military intervention, the US has engaged in nearly 400 military interventions between 1776 and 2019, with half of these ...
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United States Armed Forces
The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is ...
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United States military casualties of war
The following is a tabulation of United States military casualties of war.
Overview
Note: "Total casualties" includes wounded, combat and non-combat deaths but not missing in action. "Deaths – other" includes all non-combat deaths including thos ...
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List of wars involving the United States
This is a list of wars and rebellions involving the United States of America. Currently, there are 107 wars on this list, 3 of which are ongoing.
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18th-century wars
19th-century wars
20th-century wars
21st-century wars
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List of conflicts by duration
Notes
References
Bibliography
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{{US history
*Lengths of participation
History events