Russian submarine Vladimir Monomakh

The Vladimir Monomakh (Russian: АПЛ Владимир Мономах) is a Russian Ballistic missile submarine of the fourth generation Borei class (Project 955) currently in sea trials. It is named after Vladimir Monomakh (1053–1125), the Grand Duke of Kievan Rus'.

The project was developed by the Rubin Design Bureau, and the chief designer was Sergey Kovalev. The keel was laid down on 19 March 2006 at the Sevmash shipyard in Severodvinsk. The hull of the Akula class submarine K-480 Ak Bars was used in the construction of Monomakh. The submarine will be armed with 16 of the newest submarine-launched ballistic missile developed in Russia, the Bulava (NATO designation SS-NX-30). The Vladimir Monomakh and its sister ships will replace the Delta III and IV classes in the Russian Navy. The submarine was launched on December 30, 2012 and had begun moored tests in January 2013. The submarine is expected to enter sea trials by the summer of 2013 and enter service in 2014.

The submarine finished its first sea trials on 8 October 2013 when returning from a 25 day trial at sea.