Russian navy welcomes most-advanced nuclear-powered attack sub

 The Russian Navy has accepted K-560 Severodvinsk, the most advanced nuclear-powered multipurpose submarine Russia has ever produced.The flag raising ceremony of the Russian Navy on K-560 took place on Tuesday in Severodvinsk, the city after which the submarine was named.

Severodvinsk is the first of the Yasen-class submarines and are the successors to older Russian attack submarines like the Akula-class, on which it is based, and a counterpart to US nuclear-powered Seawolf and Virginia class submarines.