'''2M39 Poseidon''' is a [[Russian]] built [[nuclear]] powered and [[nuclear-arm]]ed underwater [[drone]] with an indefinite range and can travel 3 times faster than any surface ship.
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'''2M39 Poseidon''' is a [[Russian]] built [[nuclear]] powered and [[nuclear-arm]]ed underwater [[drone]] with an indefinite range and can travel 3 times faster than any surface ship. It is capable of an underwater nuclear detonation which would create a massive [[radioactive]] [[tsunami]].