190927-N-ZQ216-1617 SAN DIEGO (Sept. 27, 2019) Vice Adm. John D. Alexander is piped ashore after relinquishing command of U.S. 3rd Fleet to Vice Adm. Scott D. Conn during a change of command and retirement ceremony aboard the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71), Sept. 27, 2019. Alexander retired after 37 years of honorable service. (U.S. Navy photo by Mass Communication Specialist 3rd Class Timothy Heaps/Released)