The 40th Flight Test Squadron is a United States Air Force unit. It is assigned to the 46th Operations Group, based at Eglin AFB, Florida.
Constituted 40th Pursuit Squadron (Interceptor) on 22 December 1939
Activated on 1 February 1940
Redesignated:
40th Fighter Squadron on 15 May 1942
Redesignated:
40th Fighter Squadron, Single Engine, on 20 August 1943
Redesignated:
40th Fighter-Interceptor Squadron on 20 January 1950
Redesignated:
40th Tactical Fighter Squadron on 20 June 1965
Inactivated on 15 October 1970
Activated on 1 October 1971
Inactivated on 30 April 1982
Consolidated (1 October 1992) with the 3247th Test Squadron, which was designated, and activated, on 25 June 1982.
Redesignated:
40th Test Squadron on 1 October 1992
Redesignated:
40th Flight Test Squadron on 15 March 1994.
31st Pursuit Group, 1 February 1940
35th Pursuit (later, 35th Fighter; 35th Fighter-Interceptor) Group, 15 January 1942
Attached to 35th Fighter-Interceptor Wing, 15 January – 14 July 1954 and 8 October 1956 – 1 July 1957
41st Air Division, 1 October 1957
Attached to 3d Bombardment Wing, 1 December 1961 – 31 May 1962
Tactical Air Command, c. 17 June 1965
33d Tactical Fighter Wing, 20 June 1965 – 15 October 1970
355th Tactical Fighter Wing, 1 October 1971
35th Tactical Fighter Wing, 1 June 1972 – 30 April 1982
3246th Test Wing, 25 June 1982
46th Test Wing, 1 October 1992
46th Operations Group, 8 September 1993 – present
P-39 Airacobra, 1941–1944
P-47 Thunderbolt, 1944–1945
P(later F)-51 Mustang, 1945–1950, 1950–1953
F-80 Shooting Star, 1950, 1953–1954
F-86D Sabre Interceptor, 1953–1961
F-102 Delta Dagger, 1960–1965
F-4 Phantom II 1965–1969
A-7 Corsair II, 1971–1972
Conducted test and evaluation missions, using the following aircraft, A-10, F-4, F-15, F-16, F-111, T-38, T-39, C-130, CV-22, and UH-1, 1982–present
Combat in Southwest and Western Pacific, 2 June 1942 – 14 August 1945. Served in the occupation force in Japan, 1945–1950. Combat in Korea, 8 July 1950 – 25 May 1951. Air defense in Japan and Korea, June 1951 – June 1965. Trained cadres for transfer to Southeast Asia, 1966–1969. Not manned, 10 May 1969 – 15 October 1970 and 1 June 1972 – 30 April 1982.
