Russia continues upgrading its Kirov-class nuclear-powered cruisers Monday 5 February 2018 Army, Defence, Military, News, World Russia continues to upgrade heavy nuclear cruisers the Admiral Nakhimov and the Petr Veliky of project 1144 to the 11442M level. They will become operational in the 2020s, the Izvestia daily reported. Read More Read More Tweet Subscribe to receive free email updates: