A C-17 Globemaster III descends for landing at Bagram Air Field, Afghanistan, Nov. 2, 2014. The men and women of Bagram Air Field service the Department of Defense’s busiest single runway. Airmen and civilian contractors work 24 hours a day, seven days a week to ensure airfield operations are successfully accomplished. (U.S. Air Force photo by Master Sgt. Cohen A. Young/Released)