The first military submarine was designed to sabotage enemy shipping, and underwater designs for the next century.

The first I-400 joined the fight in December 1944 ... The Typhoon-class is the biggest submarine ever built, period (at least that we know of). Known as the Akula in the Soviet Union, the sub was a ...

It was the first time in history that a submarine ever had been pulled ashore ... eased up to a steel pier built out 30 feet from the shore line. Steel rails with rollers lay atop the pier.

The first submarine to utilize the potential of ... U.S. submarines to a depth of at least 5,000 feet. Two were built; neither has ever been used. At least two things came out of this accident.

NORTH Korea is reportedly building its biggest and most advanced warship yet in another chilling warning to the West.

The new Navy submarine, a nuclear-powered Virginia-class vessel, is the first submarine to be named for the state.

It comes almost a decade after the “first steel” was cut for the future submarine that will serve ... “one of the most complex machines ever built” and emphasized that it will be able ...