115th Air Transport Squadron

Organized as 115th Aero Squadron on 28 Aug 1917. Redesignated 115th Aero Squadron (Supply) on 1 Sep 1918; 636th Aero Squadron (Supply) on 1 Feb 1918. Demobilized on 8 Apr 1919. Reconstituted and consolidated (1936) with 115th Observation Squadron which, having been allotted to California NG, was activated on 16 Jun 1924. Ordered to active service on 3 Mar 1941. Redesignated 115th Observation Squadron (Light) on 13 Jan 1942; 115th Observation Squadron on 4 Jul 1942; 115th Liaison Squadron on 2 Apr 1943. Inactivated on 25 Dec 1945. Redesignated 115th Bombardment Squadron (Light), and allotted to California ANG, on 24 May 1946. Extended federal recognition on 16 Sep 1946. Federalized and placed on active duty, 1 Mar 1951. Released from active duty and returned to California state control, 11 Dec 1952. Redesignated 115th Fighter-Bomber Squadron on 1 Jan 1953; 115th Fighter-Interceptor Squadron, 1 Jul 1955; 115th Air Transport Squadron, 1 Oct 1961. Federalized and placed on active duty, 1 Oct 1961. Released from active duty and returned to California state control, 31 Aug 1962. Redesignated 115th Military Airlift Squadron, 8 Jan 1966; 115th Tactical Airlift Squadron, 1 Apr 1970; 115th Airlift Squadron, 16 Mar 1992-.