Borei-class Submarine

The Borei class, alternate transliteration Borey, Russian designation Project 955 Borei and Project 955A Borei-A, (Russian: Борей, lit. 'Boreas', NATO reporting name Borei), also referred to as Dolgorukiy class, are series of nuclear-powered ballistic missile submarines being constructed by Sevmash for the Russian Navy. The class is projected to replace the Soviet-era Delta III, Delta IV and Typhoon classes in the Russian Navy service.