INDIAN OCEAN (April 18, 2015) An MH-60R Sea Hawk helicopter from the Battle Cats of Helicopter Maritime Strike Squadron (HSM) 73 prepares to land aboard the aircraft carrier USS Carl Vinson (CVN 70) as an MH-60S Sea Hawk helicopter from the Red Lions of Helicopter Sea Combat Squadron (HSC) 15 is chained down. Carl Vinson is operating in the U.S. 7th Fleet area of operations supporting maritime security operations and theater security cooperation efforts in the region (U.S. Navy photo by Mass Communication Specialist 2nd Class John Philip Wagner, Jr.)