Pearl Harbor, Hawaii – Civilians and Sailors at the Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility prepared and undocked the Virginia-class fast-attack submarine USS Colorado (SSN 788) at Joint Base Pearl Harbor-Hickam on September 25, 2025.

The operation highlights the effectiveness and efficiency of maintenance efforts, which keep the Navy’s fleets ready for defense and extend the lifespan of vessels.

PHNSY & IMF’s mission is to keep the Navy’s fleet “Fit to Fight” by repairing, maintaining, and modernizing fast-attack submarines and surface ships. Strategically located in the heart of the Pacific, the facility is the most comprehensive fleet repair and maintenance site between the U.S. West Coast and the Far East.

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