91st Strategic Reconnaissance Squadron, Medium, Photographic Morale

Organized as 91 Aero Squadron on 21 Aug 1917. Redesignated: 91 Squadron on 14 Mar 1921; 91 Observation Squadron on 25 Jan 1923; 91 Observation Squadron (Medium) on 13 Jan 1942; 91 Observation Squadron on 4 Jul 1942; 91 Reconnaissance Squadron (Bomber) on 2 Apr 1943; 91 Tactical Reconnaissance Squadron on 11 Aug 1943; 91 Photographic Mapping Squadron on 9 Oct 1943; 91 Photographic Charting Squadron on 17 Oct 1944; 91 Reconnaissance Squadron, Long Range, Photographic on 15 Jun 1945; 91 Strategic Reconnaissance Squadron, Photographic on 25 Mar 1949; 91 Strategic Reconnaissance Squadron, Medium, Photographic on 6 Jul 1950; 91 Strategic Reconnaissance Squadron, Fighter on 20 Dec 1954. Inactivated on 1 Jul 1957. Redesignated 91 Tactical Reconnaissance Squadron, and activated, on 12 Apr 1967. Organized on 1 Jul 1967. Inactivated on 30 Aug 1991.