Lineage

Constituted 40th Pursuit Squadron (Interceptor) on 22 Dec 1939. Activated on 1 Feb 1940. Redesignated: 40th Fighter Squadron on 15 May 1942; 40th Fighter Squadron, Single Engine, on 20 Aug 1943; 40th Fighter-Interceptor Squadron on 20 Jan 1950; 40th Tactical Fighter Squadron on 20 Jun 1965. Inactivated on 15 Oct 1970. Activated on 1 Oct 1971. Inactivated on 30 Apr 1982. Consolidated (1 Oct 1992) with the 3247th Test Squadron, which was designated, and activated, on 25 Jun 1982. Redesignated: 40th Test Squadron on 1 Oct 1992; 40th Flight Test Squadron on 15 Mar 1994.

Assignments

31st Pursuit Group, 1 Feb 1940; 35th Pursuit (later, 35th Fighter; 35th Fighter-Interceptor) Group, 15 Jan 1942 (attached to 35th Fighter-Interceptor Wing, 15 Jan?14 Jul 1954 and 8 Oct 1956?1 Jul 1957); 41st Air Division, 1 Oct 1957 (attached to 3d Bombardment Wing, 1 Dec 1961?31 May 1962); Tactical Air Command, c. 17 Jun 1965; 33d Tactical Fighter Wing, 20 Jun 1965?15 Oct 1970. 355th Tactical Fighter Wing, 1 Oct 1971; 35th Tactical Fighter Wing, 1 Jun 1972?30 Apr 1982. 3246th Test Wing, 25 Jun 1982; 46th Test Wing, 1 Oct 1992; 46th Operations Group, 8 Sep 1993?.

Stations

Selfridge Field, MI, 1 Feb 1940; Baer Field, IN, 6 Dec 1941; Port Angeles, WA, 16 Dec 1941?c. 22 Jan 1942; Brisbane, Australia, 25 Feb 1942; Ballarat, Australia, 9 Mar 1942; Mount Gambier, Australia, 16 Mar 1942; Townsville, Australia, Apr 1942; Port Moresby, New Guinea, 2 Jun 1942; Townsville, Australia, 30 Jul 1942; Port Moresby, New Guinea, c. 25 Nov 1942; Tsili Tsili, New Guinea, 11 Aug 1943; Nadzab, New Guinea, Oct 1943; Gusap, New Guinea, 5 Feb 1944; Nadzab, New Guinea, 9 Jun 1944; Noemfoor, 4 Aug 1944; Owi, Schouten Islands, 14 Sep 1944; Morotai, 17 Oct 1944; Mangaldan, Luzon, 21 Jan 1945; Lingayen, Luzon, 11 Apr 1945; Clark Field, Luzon, 19 Apr 1945; Okinawa, 30 Jun 1945; Irumagawa, Japan, 10 Oct 1945; Yokota AB, Japan, 13 Mar 1950; Ashiya AB, Japan, 7 Jul 1950; Pohang, South Korea, 17 Jul 1950; Tsuiki, Japan, 13 Aug 1950; Pohang, South Korea, 7 Oct 1950; Yonpo, South Korea, 18 Nov 1950; Pusan AB, South Korea, 3 Dec 1950; Misawa AB, Japan, 25 May 1951; Johnson AB, Japan, 1 Jul 1951 (detachment stationed at Komaki AB, Japan, 13 Jul 1953?17 Feb 1955); Yokota AB, Japan, 13 Aug 1954?c. 15 Jun 1965; Eglin AFB, FL, 20 Jun 1965?15 Oct 1970. Davis-Monthan AFB, AZ, 1 Oct 1971; George AFB, CA, 1 Jun 1972?30 Apr 1982. Eglin AFB, FL, 25 Jun 1982?.

Aircraft

P?39, 1941?1944; P?47, 1944?1945; P(later F)?51, 1945?1950, 1950?1953; F?80, 1950, 1953?1954; F?86, 1953?1961; F?102, 1960?1965; F?4, 1965?1969. A?7, 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, and UH?1, 1982?.

Operations

Combat in Southwest and Western Pacific, 2 Jun 1942?14 Aug 1945. Served in the occupation force in Japan, 1945?1950. Combat in Korea, 8 Jul 1950?25 May 1951. Air defense in Japan and Korea, Jun 1951?Jun 1965. Trained cadres for transfer to Southeast Asia, 1966?1969. Not manned, 10 May 1969?15 Oct 1970 and 1 Jun 1972?30 Apr 1982.

Honors

Service Streamers. None.

Campaign Streamers. World War II: East Indies; Air Offensive, Japan; China Defensive; Papua; New Guinea; Bismarck Archipelago; Western Pacific; Letye; Luzon; Ryukyus; China Offensive. Korea: UN Defensive; UN Offensive; CCF Intervention; First UN Counteroffensive; CCF Spring Offensive.

Armed Forces Expeditionary Streamers. None.

Decorations. Distinguished Unit Citations: Papua, 23 Jul 1942?23 Jan 1943; New Guinea, 6 Feb 1943; Borneo, 10 and 14 Oct 1944. Air Force Outstanding Unit Awards: [1 Dec 1961]?31 Mar 1962; 1 Jan 1967?30 Jun 1968; 1 Jul 1968?[10 May 1969]; 1 Oct 1971?31 May 1972; 25 Jun 1982?31 Dec 1983; 1 Jan 1984?31 Dec 1984; 1 Jan 1991?31 Dec 1992. Philippine Presidential Unit Citation (WWII). Republic of Korea Presidential Unit Citation: 7 Sep 1950?7 Feb 1951.

Emblem

On a Blue disc within a narrow Yellow border a shield quartered Red and White with a narrow Yellow border charged with an eagle in flight bend sinisterwise, body Brown detailed Black, head White, beak and talons Yellow detailed Gold Brown grasping a warhead quartered White and Black. Approved on 27 Jul 1983; replaced emblems approved on 9 Jul 1959 (K 11281) and 19 Jun 1941 (48836 A.C.).