How do you stop a nuclear-powered torpedo designed to bury enemy cities under a tsunami? Russia’s Status-6 “Poseidon” torpedo has excited the fears — or the overactive imaginations — of Russia’s enemies. Calling it is a torpedo is a misnomer. While the precise capabilities of the weapon are mysterious, it appears to be about 80 feet long — which makes it more like a mini-submarine or an underwater ballistic missile. Poseidon is propelled by a nuclear reactor… – The National Interest