US President Donald Trump announced a week ago that South Korea would build the submarine in a Philadelphia shipyard.

The model I tested included an interchangeable Submarine wet roller head which means V16 Piston Submarine can wet clean as ...

The deal between the U.S. and South Korea, which includes South Korea building a nuclear-powered submarine, seems to be ...

The first was a World War II-era submarine chaser commissioned in the 1940s. The new USS Pierre will be home-ported in San ...

USS Cobia’s hull numbers return — discover the WWII sub’s restored identity, pride and the sailors’ unforgettable stories.