7 Jul '80: First flight. 18 Jul '80: TOS USAF as A-10A and assigned to the 510th Tactical Fighter Squadron/81st Tactical Fighter Wing, RAF Bentwaters, England. Circa 1982: 303rd Fighter Squadron/442nd Fighter Wing (AFRES), Richards Gebaur AFB, MO, which moved to Whiteman AFB, MO on 1 Apr '94. 16 Apr '08: Davis-Monthan AFB, AZ for conversion to A-10C. By 2009: RTS with 303rd FS. Still with 303rd after 11/20.