Submarine Squadron 11

COMSUBRON ELEVEN

 
San Diego, CA
 
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Submarine Squadron 11 Headlines

USS Springfield (SSN 761) Shifts Homeport to San Diego
July 21, 2026
NAVAL BASE POINT LOMA, Calif. (July 21, 2026) Capt. Phillip Sylvia Jr., commander, Submarine Squadron (CSS-11), observes from the pier as Los Angeles-class fast-attack submarine USS Springfield (SSN 761) arrives to its new homeport at Naval Base Point Loma, July 21, 2026. Springfield is assigned to CSS-11, home to four Los Angeles-class fast-attack submarines which are capable of supporting various missions, including anti-submarine warfare, anti-ship warfare, strike warfare and intelligence, surveillance and reconnaissance. (U.S. Navy photo by Mass Communication Specialist 2nd Class Rashan Jefferson)
USS Alexandria (SSN 757) Holds Inactivation Ceremony
June 29, 2026
NAVAL BASE POINT LOMA, Calif. (June 29, 2026) Capt. Phillip Sylvia Jr., commander, Submarine Squadron 11, renders a salute to side boys during the Inactivation Ceremony for Los Angeles-class fast-attack submarine USS Alexandria (SSN 757) onboard Naval Base Point Loma, June 29, 2026. Alexandria was commissioned on June 29, 1991, and is scheduled to be decommissioned after 35 years of active service. Alexandria is assigned to Commander, Submarine Squadron 11, home to four Los Angeles-class fast-attack submarines, which are capable of supporting various missions, including anti-submarine warfare, anti-ship warfare, strike warfare and intelligence, surveillance and reconnaissance. (U.S. Navy photo by Mass Communication Specialist 2nd Class Rashan Jefferson)
Undersea Rescue Command Welcomes New Commanding Officer
June 26, 2026
NAVAL AIR STATION NORTH ISLAND, Calif. (June 26, 2026) Cmdr. Michael Mowry, left, renders a salute to Capt. Phillip Sylvia Jr., commander, Submarine Squadron 11, during the change of command ceremony for Undersea Rescue Command (URC) onboard Naval Air Station North Island, June 26, 2026. During the ceremony, Mowry relieved Cmdr. Christian Rivera as commanding officer of URC. URC, comprised of active and Reserve component Sailors, and civilian contractors, is the Navy’s only submarine rescue-capable command ready to deploy around the world in the event of a submarine emergency. (U.S. Navy photo by Mass Communication Specialist 2nd Class Rashan Jefferson)