In 2007, the British Royal Navy’s HMS Superb, a Swiftsure-class nuclear-powered submarine, collided with an undersea mountain ...
The U.S. official said it was "not surprising" that China's navy would conceal it. The submarine's current status is unknown.
Naval experts and US officials say vessel appears to have sunk in port, and may have been carrying nuclear fuel at the time ...
The USS San Francisco, a Los Angeles-class nuclear submarine, survived a catastrophic collision with an uncharted seamount in ...
Beijing has not acknowledged the sinking and a US defence official said it was "not surprising" that China's navy would ...
China lost its most advanced nuclear submarine when it sank in a naval yard earlier this year — and it suggests the Communist nation could be in too deep as it tries to build a navy to rival ...