Raptors at Red Flag 17-3
U.S. Air Force Airman 1st Class Steven Covington, crew chief from the 325th Aircraft Maintenance Squadron, Tyndall Air Force Base, Fla., signals an aircraft to begin moving on the flightline at Nellis Air Force Base, Nev., during Red Flag 17-3, July 18, 2017. Covington and other crew chiefs are responsible for preparing the jet before takeoff. (U.S. Air Force photo by Senior Airman Dustin Mullen/Released)