This article contains the length and list of major conflicts, invasions and wars participated by the United States Armed Forces since its creation in 1775.
War 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.
[26][27]