110328-N-DR144-484 ARABIAN GULF (March 28, 2011) An HH-60H Seahawk assigned to Helicopter Anti-Submarine Squadron (HS) 15 conducts plane guard duty for Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) at sunset. The Carl Vinson Carrier Strike Group is deployed supporting maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Evans / Released)