![]() The weapon can operate at depths greater than 1,200 feet and fires a 650-pound (294.83kg) high-explosive warhead, according to data from the US Navy and Lockheed Martin. Dependent On Critical ‘Aircraft Material’, US & Europe Do Usual Business With Russia Despite Ukraine War It can destroy targets at ranges of up to 5 miles (8.04km) and travels at speeds greater than 28 knots (14.40m/s). In addition to 16 missiles, the new subs will be equipped with an upgraded variant of the MK 48 Mod 7 torpedo, according to the Naval Sea Systems Command report on the keel laying of the USS District of Columbia.Ī MK 48 Mod 7 torpedo is 21 inches in diameter and weighs 3520 pounds (1596.645 kilograms). Also, the new subs will feature the joint American-British developed Common Missile Compartment (CMC) on the Royal Navy’s new Dreadnought-class submarines. The Columbia-class submarines will carry 16 missiles each, which in total will represent approximately 70% of the country’s operational nuclear deterrent arsenal. ![]() The service life of each submarine is said to be 42 years. The submarines will boast a life-of-ship reactor, which means the reactor will not need refueling during the lifetime of planned service, making the ship more cost-effective to operate and maximizing its time on deployment. Each of the planned dozen boats will be 560 feet long with a beam of 43 feet and displacement of 20,810 tons. The Columbia class will be the largest class of submarines ever built by the US. following an engineering refueling overhaul on October 24, 2013. The Ohio-class ballistic-missile submarine USS West Virginia (SSBN 736) departs Norfolk Naval Shipyard in Portsmouth, Va. The Columbia-class will be longer and heavier than the existing Ohio-class SSBNs and will have a complex electric drive propulsion system and associated technology. ‘Smashing Targets Out Of Sky’ - At 80M/Second, UK Set To Deploy An Interceptor That Can Blast Aerial Threats The conceptual design of the upcoming class of SSBNs started in 2007, and the construction of the lead boat, SSBN-826, began on October 1, 2020. Twelve Columbia-class nuclear submarines will replace the 14 aging Ohio-class boats in service that will begin retiring in 2027. While Congresswoman Norton said, “The Columbia-class will be the largest, most capable, and most advanced submarine produced by our nation.” Largest Class Of Submarines Ever Built Artist’s rendering of the Columbia-class SSBN submarine. These submarines are critical for our national defense and will embody the commitment to excellence our shipbuilders bring to their work daily,” said Kevin Graney, president of GDEB. “With the Columbia-class program, the Navy has entrusted Electric Boat to deliver the next sixty years of nuclear deterrence for our nation, continuing the company’s legacy of delivering the finest, most technically advanced submarines in the world. The USS District of Columbia is the first ship in the new class of SSBNs built for the US Navy by GDEB, sponsored by Congresswoman Eleanor Holmes Norton (D-DC), the delegate to the House of Representatives from the ship’s namesake, the District of Columbia. It will remain throughout the boat’s service life to remind the crew of the strong bond between the vessel and her sponsor. ![]() Fighters, Nukes, Missiles – US Moves Draft Legislation To Reduce Dependency On Russia & China For Ammo Suppliesĭuring a keel-laying ceremony, the ship sponsor initials are welded onto a steel plate for installation on the submarine. On June 4, members of the US Congress and US Navy officials joined employees of General Dynamics Electric Boat (GDEB) in a ‘keel laying’ ceremony for the US Navy’s next-generation Columbia-class nuclear ballistic missile submarine (SSBN) - USS District of Columbia (SSBN 826), at GDEB’s facility in Quonset Point, Rhode Island.
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