171113-N-AA191-048 NORFOLK (Nov. 13, 2017) Sailors aboard the aircraft carrier USS George H.W. Bush (CVN 77) conduct a mass casualty drill in the ship's hangar bay. The ship is in port in Norfolk, VA., conducting routine maintenance after a seven-month deployment in support of maritime security operations and theater security cooperation efforts in the U.S. 5th and 6th Fleet areas of operations. (U.S. Navy photo by Mass Communication Specialist Seaman Omar A. Diaz/Released)