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  2. Military history of the United States during World War II

    en.wikipedia.org/wiki/Military_history_of_the...

    The military history of the United States during World War II covers the nation's role as one of the major Allies in their victory over the Axis Powers. The United States is generally considered to have entered the conflict with the 7 December 1941 surprise attack on Pearl Harbor by the Empire of Japan and exited it with the 2 September 1945 ...

  3. United States in the Vietnam War - Wikipedia

    en.wikipedia.org/wiki/United_States_in_the...

    United States involvement in the Vietnam War began shortly after the end of World War II in Asia, first in an extremely limited capacity and escalating over a period of 20 years. The U.S. military presence peaked in April 1969, with 543,000 American military personnel stationed in Vietnam. [1] By the conclusion of the United States's ...

  4. Badges of the United States Army - Wikipedia

    en.wikipedia.org/wiki/Badges_of_the_United...

    Badges of the United States Army are military decorations issued by the United States Department of the Army to soldiers who achieve a variety of qualifications and accomplishments while serving on active and reserve duty in the United States Army . As described in Army Regulation 670-1 Uniforms and Insignia, badges are categorized into ...

  5. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    The United States dollar ( symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.

  6. Nuclear weapons of the United States - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapons_of_the...

    The United States was the first country to manufacture nuclear weapons and is the only country to have used them in combat, with the bombings of Hiroshima and Nagasaki in World War II. Before and during the Cold War, it conducted 1,054 nuclear tests, and tested many long-range nuclear weapons delivery systems. [Note 1]

  7. United States Army officer rank insignia - Wikipedia

    en.wikipedia.org/wiki/United_States_Army_officer...

    General of the Army / Armies. While not currently in use today, special insignia were authorized by Congress for ten general officers who were promoted to the highest ranks in the United States Army: General of the Army, designed as a "five-star" rank, and General of the Armies, considered to be the equivalent of a "six-star" rank.

  8. United States Army Air Forces - Wikipedia

    en.wikipedia.org/wiki/United_States_Army_Air_Forces

    The United States Army Air Forces ( USAAF or AAF) [1] was the major land-based aerial warfare service component of the United States Army and de facto aerial warfare service branch of the United States [2] during and immediately after World War II (1941–1947). It was created on 20 June 1941 as successor to the previous United States Army Air ...

  9. Fourth United States Army - Wikipedia

    en.wikipedia.org/wiki/Fourth_United_States_Army

    It was allotted to the Regular Army as an inactive unit on 9 August 1932. [2] It was activated 1 October 1933 and headquartered at the Presidio of San Francisco, California. [3] In January 1944, Fourth Army moved its headquarters to Fort Sam Houston in San Antonio, Texas. [3] It was redesignated Fourth United States Army on 1 January 1957.