GROTON, Conn. (May 12, 2023) The Virginia-class attack submarine USS California (SSN 781) transits the Thames River during a change-of-command ceremony for the Navy's Undersea Warfighting Development Center (UWDC) at the Submarine Force Museum in Groton, Connecticut, May 12, 2023. Capt. Andrew Miller relieved Rear Adm. Martin Muckian during the ceremony. UWDC leads the Navy's undersea superiority; develops doctrine, concepts of operations, tactics, techniques, and procedures for undersea warfare; assesses undersea warfare performance and warfighting readiness of the fleet; provides training for undersea platforms, carrier strike groups, and theater anti-submarine warfare commanders; and advances undersea capabilities, wholeness, and synchronization. (U.S. Navy photo by Chief Petty Officer Joshua Karsten)