170724-N-TV230-453 SAN DIEGO (July 24, 2017) Sailors perform surgery on Ted Distefano, assigned to Strategic Operations San Diego, while wearing a moulage suit during an integrated mass casualty drill focused on the use of hyper-realistic props for the benefit of medical personnel aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is moored in its homeport of San Diego, Calif. (U.S. Navy photo by Mass Communication Specialist 3rd Class Bill M. Sanders/Released)