110930-N-DR144-018 PACIFIC OCEAN (Sept. 30, 2011) A pod of dolphins surfaces as Arleigh Burke-class guided-missile destroyer USS Halsey (DDG 97) maneuvers behind Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) during a replenishment-at-sea. The Carl Vinson Strike Group is underway conducting operations off the coast of Southern California. U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Evans (RELEASED)