The Baltic Sea is better known than the North Sea for highlighting the vulnerability of the alliance's critical undersea ...

The U.K. Royal Navy recently monitored a surfaced Russian submarine as it sailed through the North Sea and English Channel, ...

Helicopters and a warship were involved in the operation to monitor the RFN Novorossiysk submarine as it sailed west through UK waters, a Royal Navy spokesman confirmed ...

LONDON (AP) — The Russian captain of a cargo ship that collided with a U.S. tanker in the North Sea pleaded not guilty to the manslaughter of one of his crew at a U.K. court hearing on Friday.

LONDON (AP) — The Russian captain of a cargo ship that collided with a U.S. tanker in the North Sea pleaded not guilty to the manslaughter of one of his crew at a U.K. court hearing on Friday.

LONDON (AP) — The Russian captain of a cargo ship that collided with a U.S. tanker in the North Sea pleaded not guilty to the manslaughter of one of his crew at a U.K. court hearing on Friday.

LONDON (AP) — The Russian captain of a cargo ship that collided with a U.S. tanker in the North Sea pleaded not guilty to the manslaughter of one of his crew at a U.K. court hearing on Friday.

LONDON (AP) — The Russian captain of a cargo ship that collided with a U.S. tanker in the North Sea pleaded not guilty to the manslaughter of one of his crew at a U.K. court hearing on Friday.

LONDON (AP) — The Russian captain of a cargo ship that collided with a U.S. tanker in the North Sea pleaded not guilty to the manslaughter of one of his crew at a U.K. court hearing on Friday.

LONDON (AP) — The Russian captain of a cargo ship that collided with a U.S. tanker in the North Sea pleaded not guilty to the manslaughter of one of his crew at a U.K. court hearing on Friday.