3/20/80: First flight. 3/28/80: TOS USAF as A-10A and assigned to the 355th Fighter Wing, Davis-Monthan AFB, AZ. By 5/00: 354th Fighter Squadron/355th FW. 5/7/00: AMARC, Davis-Monthan AFB, AZ as AC0222 for GPS modifications. 8/31/00: 354th FS/355th FW. 3/21/03: AMARC as AC0362 for wing modifications. 4/26/03: 354th FS/355th FW. 6/18/06: AMARC as AC0480 for conversion to A-10C. Ca.2007: 355th FW. By 3/17: 357th FS/355th FW. 11/19: 309th FS/58th Operations Group, Luke AFB, AZ.