Submarine Development Squadron 5

COMSUBDEVRON FIVE

 
Silverdale, WA
 
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Submarine Development Squadron 5 Headlines

Pacific Submarine Force Commander visits USS Theodore Roosevelt as RIMPAC 26 Concludes
August 13, 2026
Rear Adm. Marcos Jasso, commander, Carrier Strike Group (CSG) 9, left, poses for a photo with Rear Adm. Chris Cavanaugh, commander, Submarine Force, U.S. Pacific Fleet, during the exercise Rim of the Pacific (RIMPAC), aboard Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71), July 30, 2026. Thirty nations, over 30 surface ships, five submarines, 15 national land forces, more than 206 aircraft and 30,000 personnel are participating in RIMPAC in and around the Hawaiian Islands, June 24 to July 31. The world’s largest international maritime exercise, RIMPAC provides a unique training opportunity while fostering and sustaining cooperative relationships among participants critical to ensuring safety of sea lanes and security on the world’s oceans. RIMPAC 2026 is the 30th exercise in the series that began in 1971. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ryan Holloway)
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 Jefferson City arrives at New Homeport in Pearl Harbor
July 9, 2026
JOINT BASE PEARL HARBOR-HICKAM, Hawaii (July 9, 2026) – U.S. Sailors assigned to Los Angeles-class fast-attack submarine USS Jefferson City (SSN 759) conduct mooring operations as Jefferson City arrives at Joint Base Pearl Harbor-Hickam during its change of homeport, July 9, 2026. Jefferson City is assigned to Submarine Squadron 7 and is capable of supporting various missions, including anti-submarine warfare, anti-surface ship warfare, strike warfare, and intelligence, surveillance, and reconnaissance. (U.S. Navy photo by Chief Mass Communication Specialist Omar A. Dominquez)
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)

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