170616-N-TV230-317 SAN DIEGO (June 16, 2017) Vice Adm. Nora W. Tyson, left, commander of U.S. 3rd Fleet, and Rear Adm. Jay S. Bynum laugh during the Carrier Strike Group 9 change of command ceremony aboard the aircraft carrier USS Theodore Roosevelt (CVN 71). Rear Adm. Steve T. Koehler relieved Rear Adm. Jay S. Bynum as commander of Carrier Strike Group 9. Theodore Roosevelt is moored at its homeport of San Diego, Calif. (U.S. Navy photo by Mass Communication Specialist 3rd Class Bill M. Sanders/Released)