1907-1947 -- The Lineage of the US Air Force

  • By
  • 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 Service
    24 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.