EMXG Assumption
Staff Sgt. Patrick Castro, 577th Expeditionary Prime Base Engineer Emergency Force Squadron and is deployed from Keesler Air Force Base, Miss., sings the national anthem during the 451st Expeditionary Maintenance Group Assumption of Command ceremony at Kandahar Airfield, Afghanistan, July 5, 2013. U.S. Air Force Col. Matthew Powell, an Arlington, Mass., native, assumed command of the 451st EMXG during the ceremony. (U.S. Air Force photo/Capt. Brian Maguire)