190927-N-BH414-1212 SAN DIEGO (Sept. 27, 2019) Vice Adm. Scott D. Conn, center, salutes Chief of Naval Operations (CNO) Adm. Michael M. Gilday, right, after receiving command of U.S. 3rd Fleet during a change of command and retirement ceremony aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71), Sept. 27, 2019. Conn assumed command from Vice Adm. John D. Alexander, who retired after 37 years of honorable service. (U.S. Navy photo by Mass Communication Specialist 3rd Class Casey Trietsch/Released)