The ocean keeps secrets. Beneath its surface, nuclear-powered and diesel-electric submarines move silently through the deep, ...

Submarines are among the most formidable weapons in any nation’s arsenal. A missile launched from a submarine can potentially strike anywhere on Earth, even carrying a nuclear payload. Yet despite ...

The decision came before Prime Minister Mark Carney headed to this week's NATO summit, where allies face pressure to back ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

The Army of a country added a modern submarine equipped with cutting-edge technology, reinforcing its strategic capacity in a ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

Canada has never built submarines before and has operated few in the modern history of our Navy. (Ingrid Bulmer/REUTERS) This ...