Defence Secretary John Healey said Russia "remains the most pressing and immediate threat to Britain", and added that "any ...

A Russian spy ship fled UK territorial waters after a Royal Navy submarine surfaced next to it in a show of force, The Defence Secretary revealed today. John Healey told MPs he approved a mission ...

Take the sub out of the cup and remove some sticky ... and the buoyancy of the straw submarine. When in the water, the straw submarine displaces an amount of water equal to its own submerged ...

Attack submarines are designed to seek and destroy enemy submarines and surface ships; project power ashore with Tomahawk cruise missiles and Special Operation Forces; carry out Intelligence ...

A Russian ship which was trying to spy on Britain's nuclear weapons capabilities has been forced out of UK waters by a Royal ...

The Germans quickly phased out all other submarine construction in favor of ... six were in service, 53 in the water, and 900 under construction or on order. The first Type XXI, U-2511, left ...