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The US Air Force Bloodline

1907-1947

The Air Force actually began as a part of the Army, then known as the Army Aeronautical Division and later as the Army Air Corps. The following is a quick overview of the evolution of today’s U.S. Air Force.

  • Aeronautical Division, US Signal Corps 1 August 1907 - 18 July 1914
  • Aviation Section, US Signal Corps 18 July 1914 - 20 May 1918
  • Division of Military Aeronautics 20 May 1918 - 24 May 1918
  • Air Service24 May 1918 - 2 July 1926
  • Air Corps* 2 July 1926 - 18 September 1947
  • Army Air Forces 20 June 1941 - 18 September 1947
  • 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.   Source: Air Force Historical Studies Office, Joint Base Anacostia Bolling, DC.

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