The UK has tracked a Russian spy ship in its waters twice in recent months. In November, a British submarine followed the vessel and surfaced nearby to turn it away. The UK defense secretary said the ...

The shambolic state of the UK’s submarine service could destroy Australia’s plan to build a fleet of AUKUS nuclear-powered ...

Britain’s submarine fleet is in a "parlous state", a former navy chief has warned, amid the growing underwater threat from Russia. Labour peer Lord West of Spithead, speaking at Westminster, said the ...

Putin’s overt provocations against the West are a reminder of the constant military threat posed by the country. By floating near Britain’s shoreline, the Kremlin’s fleet can attempt to intimidate and ...

The S-class submarine’s legacy endures as a testament to undersea warfare’s evolution, and the brilliance of early 20th century British submarine designs. The British S-class submarine was one of the ...

Two months ago, a UK submarine that was secretly tracking a Russian spy ship hanging around undersea cables in British waters surfaced close to the vessel, forcing it to leave the area, the UK ...