Named after the lead boat, the Sturgeon class of nuclear-powered fast attack submarines (SSN) served with the United States Navy from the late 1960s to the mid-2000s. With a submerged displacement of 4,780 tons, its successors were the 6,920-ton Los Angeles class, the first of which was commissioned in 1976. The Sturgeon class was designed with digital combat systems and more quieting features than its predecessor, the Thresher/Permit class. As SSNs, Sturgeon-class submarines were designed to primarily perform anti-submarine warfare operations. Seven different primary contractors constructed the 37 boats of the class, making it the second-most numerous nuclear-powered warship class in the world after the 62-boat Los Angeles class.
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| - List of Sturgeon-class submarines (en)
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| - Named after the lead boat, the Sturgeon class of nuclear-powered fast attack submarines (SSN) served with the United States Navy from the late 1960s to the mid-2000s. With a submerged displacement of 4,780 tons, its successors were the 6,920-ton Los Angeles class, the first of which was commissioned in 1976. The Sturgeon class was designed with digital combat systems and more quieting features than its predecessor, the Thresher/Permit class. As SSNs, Sturgeon-class submarines were designed to primarily perform anti-submarine warfare operations. Seven different primary contractors constructed the 37 boats of the class, making it the second-most numerous nuclear-powered warship class in the world after the 62-boat Los Angeles class. (en)
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| - Named after the lead boat, the Sturgeon class of nuclear-powered fast attack submarines (SSN) served with the United States Navy from the late 1960s to the mid-2000s. With a submerged displacement of 4,780 tons, its successors were the 6,920-ton Los Angeles class, the first of which was commissioned in 1976. The Sturgeon class was designed with digital combat systems and more quieting features than its predecessor, the Thresher/Permit class. As SSNs, Sturgeon-class submarines were designed to primarily perform anti-submarine warfare operations. Seven different primary contractors constructed the 37 boats of the class, making it the second-most numerous nuclear-powered warship class in the world after the 62-boat Los Angeles class. In the late 1950s, the U.S. Navy identified the need to reengineer the Thresher/Permit class, the boats of which were then being constructed. In pursuit of high-speed operations, many design aspects were sacrificed. To address such deficiences, the Sturgeon class was created. This class differed from its predecessor by having an enlarged and relocated sail to accommodate additional external sensors; a second periscope was also added. Additionally, the fairwater planes on the sail could be rotated 90 degrees to allow breaking through relatively thin ice. The hull was lengthened from about 278 ft (85 m) to about 292 ft (89 m); this, coupled with the larger sail, reduced the class's speed by 2 knots (2.3 mph; 3.7 km/h) compared to the Thresher/Permit class. Internally, the class's layout was rearranged to improve habitability and to admit more weapons as compared to its predecessor. The class was further redesigned with SUBSAFE program rules following the loss of Thresher in April 1963. Among the range of armaments used by the class were the Mark 48 torpedo, the Harpoon anti-ship missile, the Tomahawk cruise missile, and the SUBROC nuclear anti-submarine missile. Starting with USS Archerfish (SSN-678), the hull was lengthened by 10 ft (3 m) to allow a larger living and working space compared to previous boats of the class. Nine boats incorporated this extension. Other modifications included the addition of a Dry Deck Shelter (an external lockout chamber capable of accommodating SEAL Delivery Vehicles) to six boats to enable covert insertion and extraction of U.S. Navy SEALs. (en)
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