North Korea has revealed what it claims to be its first nuclear-powered submarine that will be capable of launching ...

We've got something really exciting to show you today! We travelled to California to check out the Jet Shark, a submarine with gull-wing doors that can fly out of the water at speeds of 45mph (72km/h) ...

The North has indicated it plans to arm the submarine with nuclear weapons, calling it a “strategic guided missile submarine” or a “strategic nuclear attack submarine.” ...