USS Columbus Reaches Final Phase of Eight-Year Overhaul

HII Newport News Shipbuilding has received the final funds for the USS Columbus (SSN-762) submarine’s eight-year refurbishing.

The contractor received a $283.9-million modification, which brings the cumulative value of the contract updates to around $300 million.

Engineering work will be performed in Virginia and is expected to be completed by December 2025, after which the submarine will continue its active service.

Launched in 1992, the Columbus is a nuclear-powered fast-attack submarine equipped with Raytheon’s Tomahawk land-attack and anti-ship missiles. It is one of the 24 Los Angeles-class submarines still in active commission.

The Submarine’s History

SSN-762 was the first US submarine to be equipped with the BYG-1 Fire Control System in 2002, paving the way for more advanced tactical and weapons control for the navy’s underwater capabilities.

The modernization refits it has received helped it earn both the Submarine Squadron Seven Battle Efficiency Award and the Arleigh Burke Fleet Trophy, handed out to submarine crews that demonstrate proficient mission readiness.

Its growing battle efficiencies make it one of the navy’s most trusted capabilities for national security, deploying in Western Pacific countries and territories such as Singapore and Guam.

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