The Russian navy has reactivated a mysterious base in Crimea. It is an underground base for submarines. Or perhaps it is not ...

The unusual underwater noises were detected twice by Navy sensors, raising suspicions of enemy activity near the Isle of ...

The last British submarine known to have severed a cable was HMS Conqueror in 1982. Fresh from firing the torpedoes that sank ...

The UK's Royal Navy reportedly mistook a marine mammal for the ?Red October? British ships spent several days tracking down a suspected Russian stealth submarine before concluding the suspicious sonar ...

Lockheed's radical Sea Shadow provided valuable insights into adapting stealth technology for the sea. Its influence lives on.

Russian ships which damage British underwater cables face being raided and seized by Royal Marine Commandos, Defence ...

Britain's rapid deployment troops are "ready" to board and seize Russian ships off the coast if there is evidence they are ...