170506-N-FA490-208 PACIFIC OCEAN (May 6, 2017) Machinist Mate 3rd Class Colton Euton climbs a ladder while patrolling a shaft alley aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). The ship is underway conducting a group sail training unit exercise with it's carrier strike group. (U.S. Navy photo by Machinist Mate 3rd Class Andrew Langholf/Released)