U.S. Air Force Airman 1st Class Manuel Jimenez, 455th Expeditionary Aircraft Maintenance Squadron crew chief, performs a preflight inspection on an F-16 Fighting Falcon aircraft at Bagram Airfield, Afghanistan, July 7, 2015. The F-16 is a multi-role fighter aircraft that is highly maneuverable and has proven itself in air-to-air and air-to-ground combat. (U.S. Air Force photo by Tech. Sgt. Joseph Swafford/Released)