23 Nov '81: First flight. 30 Nov '81: TOS USAF and assigned to the 18th Tactical Fighter Squadron/343rd Composite Wing (ANG) Eielson AFB, AK. Ca.1990: Modified to OA-10A. By 7/95 to after 7/06: 172nd Fighter Squadron/110th Fighter Wing (ANG), Battle Creek, MI. 29 Mar '02: AMARC, Davis-Monthan AFB, AZ as AC0289 for wing modifications. By 6/02: RTS with 172nd FS. Ca.2007: Converted to A-10C. By 8/09 to after 10/19: 107th FS /127th Wing (ANG), Selfridge ANG Base,, MI.