U.S. Air Force Staff Sgt. Daniel King, 340th Expeditionary Air Refueling Squadron KC-135 Stratotanker boom operator, operates the boom during an air refueling mission over Afghanistan Sept. 4, 2013. King is deployed from the 756th Air Refueling Squadron, at Andrews Air Force Base in support of Operation Enduring Freedom. (U.S. Air Force photo by SSgt Stephany Richards)