NEW LONDON, Conn. (May 13, 2022) Rear Adm. Robert Gaucher, commander of Submarine Group 9, based in Bangor, Washington, delivers the keynote speech during USS San Juan (SSN 751) change of command ceremony that was held pierside at Naval Submarine Base New London in Groton, Connecticut. Cmdr. Douglas Sattler, Jr. turned over command of the Los Angeles-class fast attack submarine to Cmdr. Alan Mardegian. (U.S. Navy photo by John Narewski)