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  2. Submarine depth ratings - Wikipedia

    en.wikipedia.org/wiki/Submarine_depth_ratings

    This is the maximum depth at which a submarine is permitted to operate under normal peacetime circumstances, and is tested during sea trials.The test depth is set at two-thirds (0.66) of the design depth for United States Navy submarines, while the Royal Navy sets test depth at 4/7 (0.57) the design depth, and the German Navy sets it at exactly one-half (0.50) of design depth.

  3. Los Angeles-class submarine - Wikipedia

    en.wikipedia.org/wiki/Los_Angeles-class_submarine

    The U.S. Navy gives the maximum operating depth of the Los Angeles class as 650 ft (200 m), [16] while Patrick Tyler, in his book Running Critical, suggests a maximum operating depth of 950 ft (290 m). [17] Although Tyler cites the 688-class design committee for this figure, [18] the government has not commented on it.

  4. List of submarine classes of the United States Navy - Wikipedia

    en.wikipedia.org/wiki/List_of_submarine_classes...

    G-1 (SS-19½) set the submerged depth record in 1915, 256 feet (78 m). ... Submarines in the United States Navy; List of submarines of the United States Navy.

  5. List of submarines of the United States Navy - Wikipedia

    en.wikipedia.org/wiki/List_of_submarines_of_the...

    List submarines of the United States Navy, by hull number and boat name Hull number Name Notes Turtle: World's first combat submersible. Deployed in 1775. Failed mission to destroy HMS Eagle. Continental Army project. Alligator: Experimental submarine built in 1862. Foundered in bad weather in 1863. First submarine of the United States Navy.

  6. Deep diving - Wikipedia

    en.wikipedia.org/wiki/Deep_diving

    Depth limit for divers breathing air specified by the British Sub-Aqua Club and Sub-Aqua Association. [16] 60 m (200 ft) Depth limit for a group of 2 to 3 French Level 3 recreational divers, breathing air. [17] 66 m (217 ft) Depth at which breathing compressed air exposes the diver to an oxygen partial pressure of 1.6 bar (23 psi).

  7. Ohio-class submarine - Wikipedia

    en.wikipedia.org/wiki/Ohio-class_submarine

    The US Navy has a total of 18 Ohio-class submarines which consist of 14 ballistic missile submarines (SSBNs), and four cruise missile submarines (SSGNs). The SSBN submarines provide the sea-based leg of the U.S. nuclear triad. Each SSBN submarine is armed with up to 20 Trident II submarine-launched ballistic missiles (SLBM).

  8. USS South Dakota (SSN-790) - Wikipedia

    en.wikipedia.org/wiki/USS_South_Dakota_(SSN-790)

    USS South Dakota (SSN-790), is a nuclear powered Virginia-class submarine in service with the United States Navy.The contract to build her was awarded to Huntington Ingalls Industries in partnership with the Electric Boat division of General Dynamics in Newport News, Virginia on 22 December 2008.

  9. DSV Limiting Factor - Wikipedia

    en.wikipedia.org/wiki/DSV_Limiting_Factor

    USS Johnston (DD-557) was a Fletcher-class destroyer built for the United States Navy during World War II. On 25 October 1944, while assigned as part of the escort to six escort carriers , Johnston , two other Fletcher -class destroyers, and four destroyer escorts were engaged by a large Imperial Japanese Navy flotilla.