Built and designed over 50 years ago, the Soviet K-222 submarine still holds the record for the world's fastest submarine ever built, reaching speeds of 82.8 kilometers (51.4 miles) per hour or 44 ...

One of the service’s classes of nuclear-powered, fast-attack submarines races forward as the fastest of them all. The Navy’s three Seawolf-class vessels are capable of reaching an underwater ...

The Super Sub is the fastest personal submarine in the world, also offering exceptional maneuverability for climbs and sharp ...

The Virginia Class attack submarine is the U.S. Navy’s newest undersea warfare platform and incorporates the latest in stealth, intelligence gathering and weapons systems technology. Attack ...