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SSN(X) will likely begin construction in the 2030s, after the Columbia-class ballistic missile submarines are completed. Navy and that makes this submarine class extremely rare and valuable as the Seawolf-class has more displacement and double the number of torpedo tubes (eight vs. Navy Ships: Lessons of Prior Programs May Reduce New Attack Submarine Cost Increases and Delays (Letter Report, 10/20/94, GAO/NSIAD-95-4). The new sub could also incorporate unmanned undersea vehicles (UUVs) for missions such as baiting enemy ships into a trap or providing terminal guidance for guided torpedoes while SSN(X) sneaks away. The USS Connecticut (SSN 22)is the second of three nuclear-powered attack Seawolf-class submarines in the U.S. While the Virginia class has fewer torpedo tubes and carries Tomahawk cruise missiles for striking targets on land, SSN(X) will mount more torpedoes and torpedo tubes for attacking ships above and below the waves.

In addition, Russia’s new Yasen -class cruise missile submarines have an estimated maximum depth of 2,000 feet.Īccording to USNI News the submarine will also shift back to torpedoes as its primary armament. Designed to vaporize coastal cities and military facilities with up to a 100 megaton warhead, an incoming Poseidon torpedo would have to be stopped at all costs. Diving depth is particularly important given Russia’s new apocalypse torpedo, Poseidon, has a claimed operating depth of 3,128 feet. However, the Seawolf design amounted to only 3 submarines, before the US Navy searched for. lis 2021 In 2019, the Congressional Budget Office estimated. Like the Seawolf class, SSN(X) will be large and a deep diver. When you include the R&D costs, the three Seawolfs cost 18 billion. Seawolf was projected to be the most expensive ever built, with a total program cost for 12. Kazan, an improved Yasen-class nuclear powered cruise missile submarine, March 2017.