Staff. Sgt. Jesse Thompson, 309th Expeditionary Depot Maintenance, works a wing reattachment and repair on a repurposed F-35A Lightning II at Hill Air Force Base, Utah, July 13, 2020. The wings were cut off the aircraft in order to ship inside a C-17 to Hill from Eglin Air Force Base, Fla. The aircraft, AF-27, is used as a maintenance trainer and a testbed for developing new Aircraft Battle Damage Repair procedures and technologies. (U.S. Air Force photo by R. Nial Bradshaw)