D-M Warthogs prepare for take off
U.S. Air Force Senior Airman Julio España, 355th Aircraft Maintenance Squadron A-10C Thunderbolt II crew chief, waits to release pull chocks for an A-10 at Davis-Monthan Air Force Base, Ariz., July 14, 2017. The first production model of the A-10, the A-10A, was delivered to D-M AFB in Oct. 1975 and the A-10C arrived in Sept. 2007. (U.S. Air Force photo by Senior Airman Mya M. Crosby)