What You Need to Know: Submarines have evolved to become faster, stealthier, and more maneuverable with each iteration. The five fastest submarines include the British Vanguard-class, China's ...

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 ...

The role of the previously unreported submarine in the Chinese navy, which is the world's largest by hull count, remains unclear.

The design has the lithium batteries and thrusters at the rear so the pilot and passengers can enjoy the view. U-Boat Worx ...

Perhaps of even greater significance, what mission led... The recent undersea collision involving the U.S. Navy fast-attack submarine USS Connecticut in the South China Sea raises some questions ...

The two poles... Here’s What You Need to Remember: Although initial sea trials were a failure, the Alfa-class submarine would become the fastest submarine ever built. The Alfa-class of Soviet ...

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 ...