170915-N-ZZ513-184 SAN DIEGO (Sept. 15, 2017) Vice Adm. Nora W. Tyson receives “Old Glory” after relinquishing command of U.S. 3rd Fleet to Vice Adm. John D. Alexander during a change of command and retirement ceremony aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71), Sept. 15. Tyson is retiring after 38 years of honorable service. (U.S. Navy photo by Mass Communication Specialist Seaman Natalie M. Byers/Released)