Dmitry Donskoy submarine of the Project 941 class will remain in service until 2020, according to an industry source quoted in the Russian press. The submarine, which was used to as a test bed for Bulava missile, is expected to take part in tests of a Bulava follow-on.
The last time Dmitry Donskoy launched Bulava was in October 2010. After that, all Bulava launches were conducted from Project 955 submarines. In the most recent one, in November 2015, two missiles were launched from Vladimir Monomakh.