170228-N-PY786-018 NORFOLK (Feb. 28, 2017) Sailors lower simulated personnel casualties on an aircraft elevator during a mass casualty drill aboard the aircraft carrier USS Dwight D. Eisenhower (CVN 69). The ship is pierside during the sustainment phase of the optimized fleet response plan. (U.S. Navy photo by Mass Communication Specialist 3rd Class Liam Antinori/Released)