U.S. Airmen assigned to the 455th Expeditionary Aircraft Maintenance Squadron, perform preflight checks on a C-130J Super Hercules aircraft on the flight line at Bagram Airfield, Afghanistan, Aug. 7, 2015. The 455th EAMXS ensure Super Hercules on Bagram are prepared for flight and return them to a mission-ready state once they land. (U.S. Air Force photo by Tech. Sgt. Joseph Swafford/Released)