39th Pursuit Squadron (Interceptor); 39th Fighter Squadron; 39th Fighter Squadron (Twin Engine); 39th Fighter Squadron, Single Engine

Constituted 39 Pursuit Squadron (Interceptor) on 22 Dec 1939. Activated on 1 Feb 1940. Redesignated: 39 Fighter Squadron on 15 May 1942; 39 Fighter Squadron (Twin Engine) on 27 Oct 1942; 39 Fighter Squadron, Single Engine on 19 Feb 1944; 39 Fighter-Interceptor Squadron on 20 Jan 1950. Inactivated on 8 Dec 1957.

Insignia approved on 16 Apr 1941. US made chenille.

Stations. Selfridge Field, MI, 1 Feb 1940; Baer Field, IN, 6 Dec 1941; Bellingham, WA, 10 Dec 1941–23 Jan 1942; Brisbane, Australia, 25 Feb 1942; Ballarat, Australia, 8 Mar 1942; Mount Gambier, Australia, 16 Mar 1942; Williamstown, Australia, 3 Apr 1942; Woodstock, Australia, 20 Apr 1942; Port Moresby, New Guinea, 2 Jun 1942; Townsville, Australia, 26 Jul 1942; Port Moresby, New Guinea, 18 Oct 1942; Nadzab, New Guinea, 15 Dec 1943; Gusap, New Guinea, 27 Jan 1944; Nadzab, New Guinea, 9 Jun 1944; Noemfoor Island, New Guinea, 7 Aug 1944; Owi Island, New Guinea, 12 Sep 1944; Morotai, Moluccas Islands, 23 Oct 1944; Mangaldan, Luzon, 22 Jan 1945; Lingayen, Luzon, c. 10 Apr 1945; Clark Field, Luzon, 21 Apr 1945; Okinawa, 30 Jun 1945; Irumagawa, Japan, 10 Oct 1945.