The 517th Strategic Fighter Squadron is an inactive United States Air Force unit. Its last assignment was with the 407th Strategic Fighter Wing stationed at Great Falls AFB, Montana. It was inactivated on 1 July 1957.
Constituted as: 634th Bombardment Squadron (Dive) on 23 March 1943Activated on 28 March 1943Redesignated as:
517th Fighter-Bomber Squadron on 10 August 1943Disbanded on 1 April 1944
Reconstituted, and redesignated as: 517th Strategic Fighter Squadron, on 13 November 1953.Activated on 18 December 1953Inactivated on 1 July 1957.
407th Bombardment(later Fighter-Bomber) Group, 28 March 1943 – 1 April 1944407th Strategic Fighter Wing, 18 December 1953 – 1 July 1957Drew Field, Florida, 28 March 1943Operated from Amchitka AAF Alaska, July– August 1943
Lakeland AAF, Florida, 2 October 1943Galveston AAF, Texas, 9 November 1943Bruning AAF, Nebraska, 3 March – 1 April 1944Great Falls AFB, Montana, 18 December 1953 – 1 July 1957.A-24 Dauntless, A-36 Apache, and P-51 Mustang, 1943P-47 Thunderbolt, 1943–1944F-84 Thunderjet, 1954–1957Combat in Northern Pacific, Aleutians, July– August 1943. Training for combat and later replacement training 1943-1944. SAC Strategic Fighter Escort, 1954–1957
