According to a contract published by the United States Department of Defense on April 7, 2021, Huntington Ingalls Industries, Newport News Shipbuilding Division, Newport News, Virginia, is awarded an $8,780,000 cost-plus-fixed-fee modification to the previously awarded contract N00024-16-C-4316 to continue performance of the repair, maintenance, and upgrade efforts on the USS Helena (SSN 725) Los-Angeles-class dry-docking selected restricted availability.
According to a contract published by the United States Department of Defense on April 7, 2021, Huntington Ingalls Industries, Newport News Shipbuilding Division, Newport News, Virginia, is awarded an $8,780,000 cost-plus-fixed-fee modification to the previously awarded contract N00024-16-C-4316 to continue performance of the repair, maintenance, and upgrade efforts on the USS Helena (SSN 725) Los-Angeles-class dry-docking selected restricted availability.
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Los Angeles-class attack submarine USS Helena SSN 725 (Picture source: Pinterest)
USS HELENA (SSN 725) is a Los Angeles-class attack submarine that was launched on 28 June 1986 and commissioned on 11 July 1987. The Los Angeles-class sometimes called the LA-class or the 688-class is a class of nuclear-powered fast attack submarines that forms the backbone of the U.S. Navy's submarine force. Sixty-two submarines of this class have been completed. As of 2020, 32 of the Los Angeles class are still in commission and 30 are retired from service.
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.
