120420-N-DR144-237 INDIAN OCEAN (April 20, 2012) Stretcher bearers assigned to the Air Department's V-4 Division evacuate a simulated casualty during aircraft firefighting drills on the flight deck aboard the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70). Carl Vinson and Carrier Air Wing (CVW) 17 are deployed to the U.S. 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Evans/Released)