171009-N-GP724-1062 PACIFIC OCEAN (Oct. 9, 2017) A Phalanx Close-In Weapons System fires during a live-fire exercise aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is on a deployment to the U.S. 5th and 7th Fleet areas of operation in support of maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class Alex Perlman/Released)