171122-N-XC372-3048 INDIAN OCEAN (Nov. 21, 2017) Master-at-Arms 3rd Class Jacob Karpinsky fires an M240 machine gun from the flight deck of the aircraft carrier USS Theodore Roosevelt (CVN 71) during a crew-served weapons shoot. Theodore Roosevelt is deployed in support of maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class Anthony J. Rivera/Released)