110331-N-DR144-346 ARABIAN GULF (March 31, 2011) A Landing Signalman (Enlisted) establishes visual communication with an incoming helicopter as an MH-60S Knight Hawk departs after delivering stores to the flight deck of Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) during a vertical replenishment-at-sea with the dry cargo ammunition ship USNS Wally Schirra (T-AKE 8). Carl Vinson and Carrier Air Wing (CVW) 17 are conducting maritime security operations and close-air support missions for Operation New Dawn in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Evans / Released)