100311-N-4275C-138 ATLANTIC OCEAN (March 11, 2010) The guided-missile cruiser USS Bunker Hill (CG 52) approaches the starboard side of the aircraft carrier USS Carl Vinson (CVN 70) for a refueling at sea. Bunker Hill and Carl Vinson are off the coast of Argentina supporting Southern Seas 2010, a U.S. Southern Command-directed operation that provides U.S. and international forces the opportunity to operate in a multi-national environment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Joel Carlson/Released)