The 398th Fighter-Interceptor Squadron is an inactive United States Air Force unit, last assigned to the Air Defense Command, being stationed at Hamilton AFB, California. The squadron was inactivated on 8 February 1957.
Air defense and replacement training until March 1944, and afterward replacement training plus air support for army maneuvers until August 1945. The 398th FIS was activated in November 1956 at Hamilton AFB and scheduled to receive F-104s. Before personnel or equipment were in place, the unit was inactivated on 18 February 1957.
Constituted 398th Fighter Squadron on 26 May 1943Activated on 1 August 1943Redesignated:
398th Fighter-Bomber Squadron on 5 April 1944Redesignated:
398th Fighter Squadron on 5 June 1944Inactivated on 7 November 1945
Redesignated: 398th Fighter-Interceptor Squadron on 18 September 1956Activated on 18 November 1956Inactivated on 8 February 1957.
369th Fighter (later Fighter-Bomber; Fighter) Group, 1 August 1943II Tactical Air Division, 10 August 1945III Tactical Air Command, 1 September 1945Attached to 372d Fighter Group, 2 October – 7 November 1945
XIX Tactical Air Command, 25 October – 7 November 1945Air Defense CommandWestern Air Defense Force, 18 November 1956 – 8 February 1957.
Hamilton Field, California, August 1943Marysville Army Airfield, California, 3 November 1943Oroville Army Airfield, California, 29 January 1944Hamilton Field, California, 13 March 1944DeRidder Army Airbase, Louisiana, 27 March 1944Stuttgart Army Airfield, Arkansas, 8 February 1945Alexandria AAF, Louisiana, 2 October – 7 November 1945Hamilton AFB, California, 18 November 1956 – 8 February 1957P-39 Airacobra, 1943–1944A-36 Apache, 1944P-40 Warhawk 1944–1945P-51 Mustang, 1945.
