555th Fighter Squadron [555th FS]
(Base Code: AV)

The 555th Fighter Squadron was originally constituted as the 555th Bombardment Squadron (Medium) on 25 November 1942. It activated on 1 December 1942 at MacDill Field, FL, and wa assigned to the 386th Bombardment Group. It was redesignated as the 555th Bombardment Squadron, Medium, on 9 October 1944 and as the 555th Bombardment Squadron, Light, on 23 June 1945. Stationed at locations in England, France and Belgium, the squadron saw combat in ETO, from 30 July 1943-3 May 1945, flying the B-26 aircraft (1943-1945) and the A-26 (1945). It inactivated on 7 November 1945 at Westover Field, MA.

Redesignated as the 555th Tactical Fighter Squadron, it reactivated, and was organized, on 8 January 1964 at MacDill AFB, FL, flying the F-4 aircraft. It was assigned to the 12th Tactical Fighter Wing (though attached to the 51st Fighter Interceptor Wing at Naha AB, Okinawa, from 12 December 1964- 9 March 1965, 11 December 1965-21 February 1966; and to the 8th Tactical Fighter Wing, c. 22 Feb-4 Mar 1966).

Havin relocated to Udorn RTAFB, Thailand, c 25 February 1966, the 555th was reassigned to Thirteenth Air Force, on 4 Mar 1966 (though still attached to 8th Tactical Fighter Wing, 4-24 Mar 1966) and to the 8th Tactical Fighter Wing, on 25 March 1966. It was once again reassigned, this time to the 432nd Tactical Reconnaissance Wing, on 1 June 1968. Ths squadron saw combat in Southeast Asia, from February 1966 until the close of hostilities. During that time, the unit was station at Ubon RTAFB, Thailand (20 July 1966) and at Udorn RTAFB, Thailand (28 May 1968).

Redesignated as the 555th Tactical Fighter Training Squadron on 5 Jul 1974, it relocated to Luke AFB, AZ. Assigned to the 58th Tactical Fighter (later, 58th Tactical) Training Wing, and operating the F-15 aircraft, the 555th was tasked with fighter training.

It was reassigned to the 405th Tactical Training Wing, on 29 August 1979, and to the 58th Operations Group, on 1 October 1994. It was redesignated as the 555th Fighter Squadron on 1 November 1991 before inactivating on 25 March 1994.

The 555th FS reactivated on 1 April 1994 at Aviano AB, Italy. Assigned to the 31st Fighter Wing's Operations Group, the squadron transitioned to the F-16.