The U.S. Military Sealift Command fleet replenishment oiler USNS "Big Horn" (T-AO-198) pulls away from the guided-missile destroyer USS "Arleigh Burke" (DDG-51), not shown, after completing a replenishment-at-sea in the Atlantic Ocean. "Arleigh Burke" was on a scheduled deployment in support of maritime security operations and theater security cooperation efforts in the U.S. 5th and 6th Fleet area of responsibility.