A Russian submarine sinks at sea of Barents: 1 survivor (Navy) A Russian submarine with twelve men of crew on his board sunk at sea of Barents and only one marine could be helped, announced Saturday morning the Interfax agency quoting a Russian naval officer. "The operation of help started in the zone where the submarine sunk. A sailor has until now helped summer ", declared this officer of the fleet of the nord.La sea of Barents is located in the Arctic Ocean, in the north of the Scandinavian peninsula and Western Russia.