![Russian navy welcomes most-advanced nuclear-powered attack sub Russian navy welcomes most-advanced nuclear-powered attack sub](https://mtic.us/wp-content/uploads/2014/06/yasen-class-submarine-severodvinsk.si_-310x168.jpg)
The Russian Navy has officially accepted K-560 Severodvinsk, the most advanced nuclear-powered multipurpose submarine Russia has ever produced. Severodvinsk is the lead of the Yasen-class submarines, which are to become the backbone of the Russian Navy’s conventional submarine force.