Submarine Development Squadron 5 | COMSUBDEVRON FIVE

Commander, Submarine Force, U.S. Pacific Fleet

Submarine Development Squadron 5 Headlines

U.S. Marine Corps and Navy leaders foster Indo-Pacific partnership during USS Vermont (SSN 792) tour
August 26, 2025 — The commanding officer of 3d Marine Littoral Regiment (MLR), 3d Marine Division, and the commodore of commander, Submarine Squadron 1 (CSS 1) strengthened inter-service cooperation during a familiarization tour aboard the Virginia-class fast-attack submarine USS Vermont (SSN 792) on Aug. 14, 2025, signifying growing collaboration between U.S. Marine Corps and U.S. Navy forces in the Indo-Pacific region... MORE

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) - Commander, Submarine Squadron (CSS) 7 held... MORE

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)

USS Indiana Changes Homeport to Joint Base Pearl Harbor-Hickam
July 22, 2025 — JOINT BASE PEARL HARBOR-HICKAM – The Virginia-class fast-attack submarine USS Indiana (SSN 789)... MORE

JOINT BASE PEARL HARBOR-HICKAM, Hawaii (July 22, 2025) - Virginia-class fast-attack submarine USS Indiana (SSN 789) arrives at Joint Base Pearl Harbor-Hickam during its change of homeport, July 22, 2025. Indiana 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 Mass Communication Specialist 1st Class Scott Barnes)

USS Toledo Arrives at Joint Base Pearl Harbor-Hickam
July 12, 2025 — The Los Angeles-class fast-attack submarine USS Toledo (SSN 769) arrived at its new homeport of... MORE

JOINT BASE PEARL HARBOR-HICKAM, Hawaii (July 12, 2025) - Los Angeles-class fast-attack submarine USS Toledo (SSN 769) arrives at Joint Base Pearl Harbor-Hickam during its change of homeport, July 12, 2025. Toledo 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 Mass Communication Specialist 1st Class Scott Barnes)

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