27th Fighter-Interceptor Squadron

Organized as 21 Aero Squadron on 15 Jun 1917. Redesignated as: 27 Aero Squadron on 23 Jun 1917; 27 Squadron (Pursuit) on 14 Mar 1921; 27 Pursuit Squadron on 25 Jan 1923; 27 Pursuit Squadron (Interceptor) on 6 Dec 1939; 27 Pursuit Squadron (Fighter) on 12 Mar 1941; 27 Fighter Squadron (Twin Engine) on 15 May 1942; 27 Fighter Squadron, Two Engine, on 28 Feb 1944. Inactivated on 16 Oct 1945. Redesignated as: 27 Fighter Squadron, Single Engine, on 5 Apr 1946; 27 Fighter Squadron, Jet Propelled, on 20 Jun 1946. Activated on 3 Jul 1946. Redesignated as: 27 Fighter Squadron, Jet, on 15 Jun 1948; 27 Fighter-Interceptor Squadron on 16 Apr 1950; 27 Tactical Fighter Squadron on 1 Jul 1971; 27 Fighter Squadron on 1 Nov 1991-.