Commander, Submarine Squadron 11

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Welcome to the Commander, Submarine Squadron 11 page! This includes promotion or endorsement of any financial, commercial or non-governmental agency.

Submarine Squadron 11 is headquartered at Naval Base Point Loma in San Diego, California and is home to four Los Angeles-class fast attack submarines, floating dry dock ARCO (ARDM 5) and Undersea Rescue Command. Please visit our official homepage at www.csp.navy.mil/css11 or our DVIDS page at https://www.dvidshub.net/unit/CSS-11 for more information and content regarding command events, and continue to like and follow us for up-to-date news on events in the San Diego area

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10/13/2026

Happy 251st birthday, U.S. Navy!🎉

Today, we celebrate the generations of Sailors who have safeguarded our nation’s interests across the globe with unwavering vigilance and unmatched lethality. 💥

As we recognize 2️⃣5️⃣1️⃣ years of excellence, we honor our rich history that was built by Sailors with ingenuity, grit, and resilience. Thank you to all who served and who continue to stand the watch today.

COMSUBPAC | Commander, Submarine Forces | Naval Reactors
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10/09/2026

A new leader takes the helm ⚓

Cmdr. John Hayashi relieved Cmdr. Greg Storer as commanding officer of Los Angeles-class fast-attack submarine USS Springfield (SSN 761) during a change of command ceremony held at the Roncador Memorial onboard Naval Base Point Loma, Oct. 9, 2026. 🇺🇸

“When duty called, we were out there in the Pacific Ocean because the mission demanded it,” said Storer. “Thank you for the incredible teamwork you showed and thank you for demonstrating an unfathomable amount of tenacity to ensure we completed our mission and brought our ship and shipmates home safely. It has truly been the honor of a lifetime to serve as your Commanding Officer.”

Read More ⤵️
https://www.dvidshub.net/news/576762/uss-springfield-ssn-761-holds-change-command-ceremony

| | | U.S. Navy | COMSUBPAC | Commander, Submarine Forces | Naval Reactors | MyNavy HR

09/21/2026

⚓ Forged beneath the waves, anchored in tradition, ready to lead ⚓

Congratulations to our newly pinned Chief Petty Officers - your leadership, experiences, and commitment to our Navy and our Sailors will be instrumental as you all continue to lead with pride in all that you do!💪

📸: MC1 Tiarra Brown and MC2 Rashan Jefferson

COMSUBPAC | Commander, Submarine Forces | U.S. Navy
| |

09/14/2026

New Location, Same Mission, Full Readiness 💥

Los Angeles-class fast-attack submarine USS Santa Fe (SSN 763) completed a successful weapons loading demonstration at Naval Weapons Station Seal Beach (NWSSB), marking the first time a nuclear-powered submarine moored at NWSSB and the first onload and offload of MK-48 Advanced Capability Torpedoes at that location.

Read More⤵️
https://www.dvidshub.net/news/574676/submarine-squadron-11-completes-weapons-load-naval-weapons-station-seal-beach

📸: MC1 Tiarra Brown

U.S. Navy | COMSUBPAC | Commander, Submarine Forces | Naval Reactors
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09/09/2026

Above the clouds. Below the waves. One Maritime Team. ✈️⚓️

U.S. Marine Corps pilots assigned to Marine Fighter Attack Training Squadron 502, the "Flying Nightmares," toured U.S. Navy Los Angeles-class fast-attack submarine USS Santa Fe (SSN 763), strengthening Navy-Marine Corps integration and understanding of aviation and undersea capabilities. 💪

📸: MC1 Tiarra Brown

3rd Marine Aircraft Wing | COMSUBPAC | Naval Reactors
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08/05/2026

Congratulations to our newest Chief Petty Officer Selectees!⚓

08/03/2026

68 years of navigating and operating in the Arctic❄️

❓Did you know that on August 3, 1958, USS Nautilus (SSN 571), the world's first nuclear-powered submarine, became the first vessel to complete a submerged navigation beneath the North Pole❓

This year, USS Santa Fe (SSN 763) transited and surfaced in the Arctic Region during Operation Ice Camp Boarfish 2026, a three-week operation designed to research, test, and evaluate operational capabilites in the Arctic, reflecting the Navy's strategic priorities in the area. 💪

| | | | | COMSUBPAC | Commander, Submarine Forces | U.S. Navy | Naval Reactors

07/22/2026

A new chapter begins in San Diego! 🇺🇸⚓️

USS Springfield (SSN 761) arrived to its new homeport at Naval Base Point Loma, July 21, 2026.

“We are excited to welcome Springfield to San Diego and the warfighters of Submarine Squadron 11,” said Capt. Phillip Sylvia Jr., commander, Submarine Squadron 11. “The crew brings extensive knowledge and experience from their forward-deployed presence, and we look forward to continuing to increase our readiness and capabilities with another apex predator on our waterfront.” 💪

Read More ⤵️

https://www.dvidshub.net/news/570454/uss-springfield-ssn-761-shifts-homeport-san-diego

| | | Commander, Submarine Squadron 15 | COMSUBPAC | Commander, Submarine Forces | Naval Reactors | U.S. Navy

07/04/2026

🇺🇸Happy 4th of July! 🇺🇸🇺🇸

Today we commemorate 250 years of America’s independence.

COMSUBPAC | Commander, Submarine Forces | Naval Reactors

07/02/2026

🎉Congratulations to CSS 11's newest First and Second Class Petty Officers! 🎉

Your professionalism, unwavering dedication to the mission, and relentless pursuit of excellence do not go unnoticed. Continue to lead from the front and dominate the undersea environment! 💪

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COMSUBPAC | Commander, Submarine Forces | Naval Reactors | MyNavy HR | U.S. Navy |

Address

140 Sylvester Road
San Diego, CA
92106

Telephone

+16195538666

Website

http://www.csp.navy.mil/css11

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