160420-N-KK394-038 ATLANTIC OCEAN (April 20, 2016) - Sailors spread the flight deck barricade during a casualty drill on the flight deck of the aircraft carrier USS Dwight D. Eisenhower (CVN 69), the flagship of the Eisenhower Carrier Strike Group. Ike is underway preparing for an upcoming scheduled deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Anderson W. Branch/Released)