A Vanguard-class nuclear submarine of the British Royal Navy stood at the brink of disaster, according to Bulgarian Military reports. A malfunction in one of the sensors caused the vessel to ...

The five fastest submarines include the British Vanguard-class, China's Shang-class, Russia's Yasen-M-class, and the U.S. Navy's Virginia and Seawolf classes. -The Vanguard-class boasts impressive ...

A detailed model has provided what’s likely our best idea of how the U.K. Royal Navy’s new Dreadnought class nuclear ...