U.S. Air Force Staff Sgt. Orial Christopher, a loadmaster with the 817th Expeditionary Airlift Squadron, secures cargo aboard an Air Force C-17A Globemaster III aircraft at Kandahar Airfield, Afghanistan, Jan. 3, 2014. Christopher was deployed from Joint Base Charleston, S.C., in support of the 405th Air Expeditionary Group and the U.S. Central Command Deployment and Distribution Operations Center, a logistics hub assisting with the U.S. departure from Afghanistan.