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Photo of Airmen, U.S. Air Force aircraft participate in an aircraft generation training event.

Osan Fact Sheets

  • History: Osan Air Base

    Osan Air Base is one of two major airfields operated by the U.S. Air Force in the Republic of Korea and the only base on the peninsula entirely planned and built by the U.S. Air Force during the Korean War.

  • History: Seventh Air Force

    Seventh Air Force is the U.S. Air Force's oldest numbered air force. The Army Air Corps first activated 7 AF on Nov. 1, 1940, as the Hawaiian Air Force, to control the growing number of air units arriving in the Territory of Hawaii that year.

  • History: 51st Fighter Wing

    The 51st Fighter Wing has an illustrious record in both combat and peace. Through a bestowal of honors, the 51st FW traces its legacy to the Jan. 15, 1941 activation of the 51st Pursuit Group (later Fighter Group) at Hamilton Field, Sacramento, Calif.