The 917th Air Refueling Squadron is an inactive United States Air Force unit. It was last active as a Geographically Separated Unit at Dyess Air Force Base, Texas, while assigned to the 43d Operations Group at Malmstrom Air Force Base, Montana, where it was inactivated on 1 July 1994. In May 1959, the 917th Air Refueling Squadron was activated at Biggs Air Force Base, Texas. Beginning in 1960, the squadron began to stand alert with its Boeing KC-135A Stratotankers. It continued to maintain an alert commitment at Biggs, and later at Dyess Air Force Base, Texas until the end of the Cold War.