Airmen from the 57th Maintenance Group, Lightning Aircraft Maintenance Unit, load an F-35A Lightning II during the 57th Wing’s third quarter weapons load crew competition at Nellis Air Force Base, Nev., Oct. 7. Lightning AMU is responsible for the aircraft maintenance of the F-35A Lightning II at Nellis AFB. (U.S. Air Force photo by Airman 1st Class Kevin Tanenbaum/Released)