Kirov-class battlecruiser
The Kirov class, Soviet designation Project 1144 Orlan (Russian: Орлан, lit. 'sea eagle'), is a class of nuclear-powered guided-missile heavy cruisers of the Soviet Navy and Russian Navy, the largest and heaviest surface combatant warships (i.e. not an aircraft carrier or amphibious assault ship) in operation in the world.
Source: Wikipedia — Kirov-class battlecruiser (CC BY-SA 4.0)