An official website of the United States government
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

WHO WE ARE


 

The benchmark for undersea operational performance. We optimize our undersea warfighting advantage by integrating capabilities across domains, services, and platforms. We are committed to the growth, welfare, and creative spirit of our personnel, our most valuable asset. We safeguard our force and enhance operational performance by supporting the innovation, development, and application of current and emerging technologies. We relentlessly strive for the highest levels of readiness, continuously raising the benchmark for undersea operational excellence.


ent...
Twitter
RT @DeptofWar: On this day, we honor the courage of the American heroes lost 24 years ago. We remember the first responders, firefighters,…
Twitter
RT @SecWar: A message to our warfighters from the Secretary of War. https://t.co/UVbsvAuNmR
Twitter
Building the integrated undersea picture starts here. Honored to bring together Fleet leaders at the TUSW Symposium and grateful to @US2ndFleet leadership and all attendees who joined us. #Relentless https://t.co/E5ys7RgQc8
X
2,933
Follow Us
U.S. Marine Corps Sgt. Victor Estes, from Alabama, an MV-22B Osprey crew chief with Marine Medium Tiltrotor Squadron (VMM) 162, drops sonobuoys out of an MV-22B Osprey during a flight near Surface Combat Systems Center Wallops Island, Virginia, July 2, 2025. Atlantic Alliance 2025 (AA25) is the premier East Coast naval integration exercise, featuring over 25 U.S. Navy and Marine Corps units alongside Dutch naval forces and British Royal Commandos. Spanning from North Carolina to Maine, AA25 will showcase a range of dynamic events including force integration, air assault operations, bilateral reconnaissance, naval strait transits, amphibious assault training, and a simulated war-at-sea exercise. (U.S. Marine Corps photo by Lance Cpl. Orlanys Diaz Figueroa)
Featured Story

TUSWC Integrates Marine Corps into Undersea Operations During Atlantic Alliance 2025

Featured Story

Mailing Address


Commander, Submarine Group TWO
1430 Mitscher Avenue
Norfolk, VA 23551-2492