170308-N-OS569-115 NORFOLK (March 8, 2017) Lt. Cmdr. Christopher Schultheiss, Senior Medical Officer aboard the aircraft carrier USS Dwight D. Eisenhower (CVN 69), tends to wounded patients during a mass casualty drill. The ship is pierside during the sustainment phase of the optimized fleet response plan. (U.S. Navy photo by Mass Communication Specialist Seaman Zach Sleeper/Released)