Soviet naval reactors have been used to power both military and civilian vessels, including: * Nuclear submarines: * Attack submarines. * Cruise missile submarines. * Ballistic missile submarines. * Nuclear icebreakers: * Soviet icebreaker Lenin. * Arktika-class icebreakers. * Taymyr-class icebreakers. * Nuclear cruisers: * Kirov-class battlecruisers. * Merchant ship: * Sevmorput * Command ship: * SSV-33 Ural They have included both pressurized water reactors and a relatively few liquid metal fast reactors.