RIA Novosti
Tuesday 5th March, 2013
MOSCOW, March 5 (RIA Novosti) – The Russian Navy will refit, modernize and recommission two Sierra class (Project 945) titanium-hull nuclear-powered attack submarines by 2017, the Zvezdochka shipyard said on Tuesday. The Sierra class has a light and strong titanium pressure hull, enabling these boats to dive to depths of up to 550 meters (1800 feet) and enhancing their survivability, as well as having a low magnetic signature. A total of four Project 945 and 945A submarines were built in Russia. In addition to the Karp and the Kostroma, the Pskov and the Nizhny Novgorod were built in the ear…
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