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TASS: Belgorod nuclear submarine carrier with Poseidon nuke drones to serve in Pacific · April 6, 2021 · Belgorod Poseidon

IZVESTIA: Poseidon in a boat: the submarine is being prepared for testing nuclear robots · February 11, 2021 · Poseidon Belgorod

HI SUTTON: Russia Testing Nuclear-Powered Mega-Torpedo Near Where Deadly Explosion Occurred · August 18, 2019 · Russia Poseidon Belgorod Khabarovsk