Despite intensive efforts to locate it, the submarine was not found. Theories about its disappearance are as varied as they are unsettling: from a collision with unknown underwater structures to ...

An India-France statement released Wednesday confirms progress has been made towards the manufacturing of three more ...

Here’s What You Need to Remember: The mechanical and hydraulic controls of the Seawolf submarines ... under the Arctic ice for... The recent undersea collision involving the U.S. Navy fast ...

The nuclear-powered USS Alexandria is a 360-foot fast-attack submarine equipped with Tomahawk missiles and MK48 torpedoes.

A spate of sabotage attacks on underwater cables, allegedly perpetrated by a Russian "shadow fleet," have shown global telecommunications infrastructure is poorly protected against deliberate acts of ...

The UK is sending submarine-hunting aircraft ... came in response to a suspected hybrid attack in late December that ultimately damaged several underwater cables. Britain's defense ministry ...