Huntington Ingalls wins $194M contract for USS Colombus

According to information published by U.S. Department of Defense on March 24, 2021, Huntington Ingalls Industries is awarded a $194,474,563 cost-plus-fixed-fee modification to previously awarded contract N00024-15-C-4301 for continued execution of the fiscal 2018 USS Columbus (SSN 762) engineered overhaul.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 The submarine USS Columbus (SSN 762), seen here in the Republic of Korea in 2014. (Picture source U.S. Navy)

Work will be performed in Newport News, Virginia, and is expected to be completed by December 2022. Fiscal 2021 operation and maintenance (Navy) funding in the amount of $190,963,313 will be obligated at time of award and will expire at the end of the current fiscal year.

The Naval Sea Systems Command, Washington, D.C., is the contracting activity.

USS Columbus (SSN-762) is a Los Angeles-class nuclear powered fast attack submarine and the second vessel of the United States Navy to be named for Columbus, Ohio.

Los Angeles-class submarines are the backbone of the submarine force of the U.S. Navy, with approximately 40 now in commission. Thirty of those are equipped with 12 Vertical Launch System (VLS) tubes for firing Tomahawk cruise missiles. The submarine also carries about 25 torpedo tube-launched weapons, as well as Mark 67 and Mark 60 CAPTOR mines, and were designed to launch Tomahawk cruise missiles, and Harpoon missiles horizontally (from the torpedo tubes).

The Los Angeles class is powered by the General Electric S6G pressurized water reactor. The submarine has a diesel generator and a bank of batteries to provide electrical power. An emergency propulsion motor on the shaft line or a retractable 325-hp secondary propulsion motor power the submarine off the battery or diesel generator. The submarine can reach a surfaced speed of 20 knots (23 mph; 37 km/h) and 20 knots (23 mph; 37 km/h) in submerged conditions.

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