Submarine Squadron 1

COMSUBRON ONE

 
Pearl Harbor, HI
 
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Submarine Squadron 1 Headlines

U.S. Marine Corps and Navy leaders foster Indo-Pacific partnership during USS Vermont (SSN 792) tour
August 26, 2025
Capt. Chris Hedrick, commander, Submarine Squadron 1, left, Col. Gabriel L. Diana, 3rd Marine Littoral Regiment commanding officer, second from left, and staff pose for a photo on the brow before a tour of the Virginia-class fast-attack submarine USS Vermont (SSN 792) on Joint Base Pearl Harbor-Hickam, Aug. 14, 2025.
Submarine Squadron 7 Holds Change of Command Ceremony at Pearl Harbor
July 25, 2025
JOINT BASE PEARL HARBOR-HICKAM, Hawaii (July 25, 2025) - Capt. Jeff Fassbender, incoming commander, Submarine Squadron (CSS) 7, delivers remarks during the CSS 7 change of command ceremony aboard the Los Angeles-class fast-attack submarine USS Columbia (SSN 771), July 25, 2025. During the ceremony, Fassbender, from St. Marys, Kansas, relieved Capt. Corey Poorman, from Severna Park, Maryland, as CSS 7 commodore. (U.S. Navy photo by Mass Communication Specialist 1st Class Scott Barnes)
Commander, Submarine Squadron 1 Conducts Change of Command aboard USS Vermont
May 9, 2025
JOINT BASE PEARL HARBOR-HICKAM, Hawaii (May 9, 2025) - Rear Adm. Chris Cavanaugh, commander, Submarine Force, U.S. Pacific Fleet, receives report of relief from Capt. Chris Hedrick, incoming commander, Submarine Squadron (CSS) 1, aboard the Virginia-class fast-attack submarine USS Vermont (SSN 792), during the change of command ceremony for CSS-1, May 9, 2025. CSS-1 is composed of six Virginia-class fast-attack submarines, which are capable of supporting various missions, including anti-submarine warfare, anti-surface ship warfare, strike warfare, special operations forces support, and intelligence, surveillance, and reconnaissance. (U.S. Navy photo by Mass Communication Specialist 1st Class Scott Barnes)

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