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USS Seawolf (SSN-575) was the third ship of the United States Navy to be named for the seawolf, the second nuclear submarine, and the only US submarine built with a liquid metal cooled (), beryllium-moderated [2] [3] nuclear reactor, the S2G. [4]
An S2G was the initial power plant of USS Seawolf.This was one of three sodium cooled reactors (the core was moderated) ordered for the Seawolf program at the same time as three PWR units were ordered to support the USS Nautilus program; In each case, one reactor was land-based for training and research, one intended for installation on a submarine, and one spare.
The Seawolf class is a class of nuclear-powered, fast attack submarines (SSN) in service with the United States Navy. The class was the intended successor to the Los Angeles class , and design work began in 1983. [ 10 ]
SSN-575 Seawolf: Unique submarine SS-576 Darter: Unique submarine SSG-577 Growler: ... Last U.S. Navy submarine to be named after a fish until USS Seawolf (SSN-21).
The reactor's designation, S2W, stands for "Submarine platform," "second-generation core design," and "Westinghouse," the contractor responsible for its development. It was a pressurized water reactor (PWR) initially installed aboard the USS Seawolf (SSN-575), the second nuclear-powered submarine launched by the U.S. Navy in 1955. The S2W ...
USS Seawolf (SSN-21) is a nuclear-powered fast attack submarine and the lead ship of her class. She is the fourth submarine of the United States Navy named for the seawolf , a solitary fish with strong, prominent teeth that give it a savage look.
This nuclear reactor was constructed by General Electric as a prototype for the USS Seawolf submarine. It was a liquid metal cooled reactor using pure sodium to cool the core instead of water, because the higher temperature of liquid sodium (compared to pressurized water) enabled the production of more superheated steam in the steam generators.
[2]: 189 Other submarines were used for this role, including USS Parche (SSN-683), USS Richard B. Russell (SSN-687), and USS Seawolf (SSN-575). Seawolf was almost lost during one of these missions—she was stranded on the bottom after a storm and almost had to use her self-destruct charges to scuttle the ship with her crew. [4]
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