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2. Kingston valve - Wikipedia

   en.wikipedia.org/wiki/Kingston_valve

   A Kingston valve is a type of seacock. [1] It is arranged so that, under normal operating conditions, sea pressure keeps the valve closed. [2] When opened from the ship's interior, [3] the Kingston valve allows sea water to enter the tank. The mechanism was introduced in 1837 [4] by John Kingston (1786–1847), an English engineer after whom it ...

3. Columbia-class submarine - Wikipedia

   en.wikipedia.org/wiki/Columbia-class_submarine

   16 × Trident D5 [ 5] and torpedo tubes. The upcoming Columbia-class (formerly known as the Ohio Replacement Submarine and SSBN-X Future Follow-on Submarine) nuclear -powered ballistic missile submarines of the United States Navy are designed to replace the Ohio class. [ 7] Construction of the first vessel began on 1 October 2020. [ 8]

4. Virginia-class submarine - Wikipedia

   en.wikipedia.org/wiki/Virginia-class_submarine

   Virginia. -class submarine. Only limited by food and maintenance requirements. The Virginia class, or the SSN-774 class, is the newest class of nuclear-powered cruise missile fast attack submarines in service with the United States Navy. The class is designed for a broad spectrum of open-ocean and littoral missions, including anti-submarine ...

5. USS Thresher (SSN-593) - Wikipedia

   en.wikipedia.org/wiki/USS_Thresher_(SSN-593)

   USS. Thresher. (SSN-593) USS Thresher (SSN-593) was the lead boat of her class of nuclear-powered attack submarines in the United States Navy. She was the U.S. Navy's second submarine to be named after the thresher shark . On 10 April 1963, Thresher sank during deep-diving tests about 350 km (220 mi) east of Cape Cod, Massachusetts, killing all ...

6. List of lost United States submarines - Wikipedia

   en.wikipedia.org/wiki/List_of_lost_United_States...

   Fifty-two submarines of the United States Navy were lost during World War II. [ 5] Two – Dorado (SS-248) and Seawolf (SS-197) – were lost to friendly fire (though there is speculation that the Dorado may have struck a German mine), at least three more – Tulibee, Tang, and Grunion – to defective torpedoes, and six to accident or grounding.

7. Subsea valves - Wikipedia

   en.wikipedia.org/wiki/Subsea_valves

   Subsea valves are used to isolate or control the flow of material through an undersea pipeline (submarine pipeline) or other apparatus.Most commonly used to transport oil and gas, they are designed to function in a sub-marine environment, withstanding the effects of raised external pressure, salt-water corrosion, and bubbles or debris in the material carried.