Yury Dolgoruky, new generation nuclear powered ballistic missile submarine

Yury Dolgoruky is a new-generation nuclear-powered ballistic missile submarine built by Sevmash shipyard for the Russian Navy. Constructed as the lead-submarine of the Project 955 Borei Class, Yury Dolgoruky is the first submarine launched by Russia after the Soviet era. In May 2012, the Russian Ministry of Defence placed a contract for the delivery of five new Project 955A Borei Class nuclear submarines. The Russian Navy plans to acquire ten new Borei Class submarines by 2020.

http://nextbigfuture.com/2013/01/russias-newest-nuclear-submarine.html

The heart of the planned ballistic missile Ohio Replacement (OR) program will be built around a drive that will not need to be refueled for the 50-year life of the boats and cuts out potentially noisy direct mechanical connection to the drive train. In other words, the Navy’s next-gen subs could be almost silent, and keep running for a half-century straight. The Navy is developing an innovation that attempts to give OR boomers the quietest nuclear engine yet by going to an electric drive.

The Navy wants to use the power from the reactor to create an elaborate electrical grid inside of the submarine. 

http://nextbigfuture.com/2013/01/next-generation-us-submarines-will.html

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