U.S. Secretary of Defense
U.S. Secretary of Defense Chuck Hagel shakes the hand of U.S. Air Force Staff Sgt. James Shepard, 455th Expeditionary Aerial Port Squadron at Bagram Airfield, Afghanistan June 1, 2014. Hagel visited Airmen, Soldiers, Sailors and Marines deployed to Bagram, he thanked them for their service and answered their questions. (U.S. Air Force photo by Staff Sgt. Evelyn Chavez/Released)