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  1. The United States Air Force is a military service branch organized within the Department of the Air Force, one of the three military departments of the Department of Defense.

  2. This list of United States Air Force aircraft designations (1919–1962) includes prototype, pre-production and operational type designations under the 1919 and 1924 United States Army Air Service aircraft designation systems, which were used by the United States Air Force and its predecessors until the introduction of the unified United States ...

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  4. History of the United States Air Force. Help. Wikimedia Commons has media related to History of the United States Air Force. For earlier United States history regarding air forces, see: Aeronautical Division, U.S. Signal Corps (August 1, 1907 to July 18, 1914)

  5. On September 26, 1947, by order of the Secretary of Defense, personnel of the Army Air Forces (AAF) were transferred from the Department of the Army (formerly the War Department) to the Department of the Air Force and established as the United States Air Force (USAF).

  6. Nov 24, 2018 · Phillip O. Parmalee, in a Wright B-10 aircraft, performs the world’s first air cargo mission, flying a bolt of silk from Dayton to Columbus, Ohio, on contract for the Morehouse-Martens Co. “A Bolt From the Blue,” Air Force Magazine, May 1986. Nov. 14, 1910.

  7. It traces the evolution of the Army's air combat branch between World War I and World War II and its tremendous organizational growth during World War II. Following the war came various changes to cope with the establishment of a separate armed service independent of the United States Army (USA).

  8. United States Air Force. 18 September 1947. *The Air Corps became a subordinate element of the Army Air Forces on 20 June 1941, and it continued to exist as a combat arm of the Army until 1947. Lineage of the USAF,

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