170218-N-VN584-248 PACIFIC OCEAN (Feb. 18, 2017) Airman Austin Thompson, front, and Aviation Boatswain’s Mate (Handling) 3rd Class Jennifer Carpio participate in a mass causality drill aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). The ship is off the coast of Southern California conducting routine training operations. (U.S. Navy photo by Mass Communication Specialist Seaman Alex Corona/Released)