The British Ministry of Defense revealed Russian submarines recently conducted "nefarious activity" around underwater cables ...

A nuclear-powered Royal Navy submarine has arrived in the Arabian Sea, capable of launching cruise missile attacks on Iran, ...

The British military has exposed a covert Russian submarine operation in and around UK waters, forcing the vessels to retreat ...

The United Kingdom thwarted a Russian submarine operation targeting critical undersea cables.

Russia deployed three submarines to spy on the UK’s critical undersea pipelines in the northern Atlantic, British officials ...

Key Points and Summary - The 2009 Vanguard–Le Triomphant submarine bump showed how stealthy, passive, near-silent SSBNs can be invisible to each other—and how current “waterspace management” often ...

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 ...

John Healey, the defense secretary, said the vessels were gathering information about undersea pipelines, and said he ...

British defence minister says the operation did not find evidence that Russia had damaged undersea infrastructure.

LONDON – Nuclear-armed submarines from Britain and France collided in the Atlantic Ocean earlier this month, authorities acknowledged Monday — touching off new concerns about the safety of the world's ...