World's largest sub carries Poseidon nuke torpedo that can flatten coastal cities, but sub is also designed for spying.
Russia's Massive New 'Doomsday' Sub
Russia's Massive New 'Doomsday' Sub
Russia's Massive New 'Doomsday' Sub
World's largest sub carries Poseidon nuke torpedo that can flatten coastal cities, but sub is also designed for spying.