At a flag raising ceremony at the Sevmash plant in Severodvinsk on January 10, 2013 the first Project 955 Borey submarine, Yuri Dolgorukiy, was officially accepted for service.
The Navy and Sevmash signed an acceptance act on December 29, 2012, but the ceremony was postponed until today. The submarine that can carry 16 Bulava missiles will be based at the Northern Fleet.
UPDATE 01/11/13: According to Victor Chirkov, the Commander of the Russian Navy, the submarine will spend 2013 undergoing various tests and will not get missiles until January 2014. Chirkov also said that Yuri Dolgorukiy could carry long-range cruise missiles.