Commander, Submarine Squadron 11

04/12/2026

03/23/2026

Through the ice!🧊

The U.S. Navy Los Angeles-class fast-attack submarine USS Santa Fe (SSN 763) emerges through the ice after performing a vertical surfacing in the Arctic Circle during Operation Ice Camp 2026.

❄️ Operation Ice Camp, a biennial operation that partners with the Arctic Submarine Laboratory, brings together Allies and partners to test, research, and operate in the Arctic region.

| | | | | | COMSUBPAC | Commander, Submarine Forces | U.S. Pacific Fleet

03/08/2026

It’s n(ice) to be here!🧊❄️

The U.S. Navy Los Angeles-class fast-attack submarine USS Santa Fe (SSN 763), assigned to Submarine Squadron 11, arrived at Operation ICE CAMP Boarfish 2026 in the Beaufort Sea.

"The Arctic is a critical region for national security and global stability. Our commitment to a sustained presence and operational readiness here is unwavering," said Vice Adm. Richard Seif, Commander, Submarine Forces. "ICE CAMP Boarfish allows us to test and refine our capabilities, deepen our interoperability with key allies, and ensure our Submarine Force can project power and defend our nation’s interests in any environment, at any time. Our strength in the Arctic is a testament to the skill and resilience of our sailors and partners."

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Commander, Submarine Forces officially kicked off Operation Ice Camp (ICE CAMP) Boarfish in the Arctic Ocean on March 7, 2026, after the building of the camp and the arrival of two U.S. Navy fast attack submarines, USS Delaware (SSN 791) and USS Santa Fe (SSN 763).

02/25/2026

Welcome Aboard, Sir!🫡

Cmdr. Spencer Ovren relieved Cmdr. Chad Tella as commanding officer of U.S. Navy Los Angeles-class fast-attack submarine USS Greeneville (SSN 772) during a change of command ceremony onboard Naval Base Point Loma, February 17, 2026.⚓️

“This crew has done everything a submarine crew could be asked to do, not just completing the tasks, but excelling far beyond anything expected of them,” said Tella. “I will miss the Sailors and officers who make Greeneville what it is. It’s a hard job being assigned to a submarine, but these Sailors and officers show up every day and do an amazing job."

| | | | Naval Reactors | COMSUBPAC | Commander, Submarine Forces

NAVAL BASE POINT LOMA, Calif. – Los Angeles-class fast-attack submarine USS Greeneville (SSN 772) conducted a change of command ceremony onboard Naval Base Point Loma, Feb. 17, 2026. During the

02/20/2026

Diving into Cyber! 💻📡⚓️

Ms. Anne Marie Schumann, Department of Navy Principal Cyber Advisor, toured Los Angeles-class fast-attack submarine USS Greeneville (SSN 772) during a visit to San Diego, Feb. 12, 2026.

⚡️In her role, Ms. Schumann is responsible for advising The Secretary of the Navy, The Office of the Chief of Naval Operations, and the Commandant of the U.S. Marine Corps on all cyber matters and implementing the U.S. Department of War Cyber Strategy within the Department of the Navy.

📸: MC1 Tiarra Brown

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

02/11/2026

🔔(x8) Naval Reactors, Arriving! 🔔(x8)

Adm. Bill Houston, director, Naval Reactors, spoke with Sailors and leadership and toured Los Angeles-class fast-attack submarines, assigned to Submarine Squadron 11, during a visit to Naval Base Point Loma, Feb. 6, 2026.

⚛️ The U.S. Naval Nuclear Propulsion Program is a joint Department of Energy and Department of Navy organization overseeing all aspects of naval nuclear propulsion, including the design, development, and operational support required to provide a U.S. Navy fleet that dominates the maritime domain with unmatched power and propulsion.

📸: MC1 Tiarra Brown

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| COMSUBPAC | Commander, Submarine Forces

02/06/2026

Undersea Rescue 🤝 Undersea Dominance

Adm. Bill Houston, director, Naval Reactors, toured the offshore supply ship HOS Ma**er during a visit to Undersea Rescue Command (URC), Feb. 5, 2026.

URC, homeported at Naval Base Coronado, is the U.S. Navy's only submarine rescue-capable command ready to deploy around the world in the event of a submarine emergency.

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| COMSUBPAC | Commander, Submarine Forces

02/05/2026

Second to Last, Second to None!💥

ICYMI, U.S. Navy Los Angeles-class fast-attack submarine USS Greeneville (SSN 772) returned to Naval Base Point Loma following a deployment to the U.S. Indo-Pacific Command area of responsibility, Jan. 30, 2026.

While on deployment, Greeneville steamed over 4️⃣9️⃣0️⃣0️⃣0️⃣ nautical miles while conducting the full spectrum of SSN operations alongside U.S. and Allied forces! 💪

Read More⤵️
https://www.csp.navy.mil/Media/News-Admin/Article/4396262/uss-greeneville-returns-home-following-deployment/



COMSUBPAC | Commander, Submarine Forces | U.S. Pacific Fleet | Naval Reactors

02/03/2026

Welcome home, USS Greeneville!⚓️

The U.S. Navy Los Angeles-class fast-attack submarine USS Greeneville (SSN 772) returned to homeport Naval Base Point Loma following a deployment to the U.S. Indo-Pacific Command area of responsibility, Jan. 30, 2026.

“The American public and our Allies and partners should rest easy at night knowing that the Greeneville team, along with our brothers and sisters throughout the Submarine Force and the Navy have the watch,” said Capt. Chad Tella, commanding officer, USS Greeneville. “Time and time again, the Greeneville team fearlessly met all challenges head on, not only getting the job done, but exceeding all expectations. The team routinely united in the face of adversity to ensure mission accomplishment, no matter the situation.”💪

Read more! ⤵️
https://www.dvidshub.net/news/557239/uss-greeneville-returns-home-following-deployment

📸: MC2 Rashan Jefferson



COMSUBPAC
Commander, Submarine Forces
U.S. Pacific Fleet
Naval Reactors

01/22/2026

Congratulations to our staff’s Fiscal Year 2025 Sailors of the Year! 🎉

Electronics Technician (Navigation) 2nd Class Andrew Yardumian and Yeoman (Submarine) 1st Class Kevin Rosalesolvara were selected for their outstanding dedication to the mission at Submarine Squadron 11.

We are proud to have these Sailors on staff supporting our Los Angeles-class fast attack submarines! 💪



COMSUBPAC
Commander, Submarine Forces
MyNavy HR
U.S. Navy

01/13/2026

Congratulations to the 2025 COMSUBPAC Battle Efficiency Award winners from CSS-11! 🏆

🌟 USS Greeneville and ARCO earned the Battle ‘E’ as top performers, demonstrating their exceptional readiness to carry out missions and tasking 🌟