The U.S. Navy's submarine capabilities are still considered superior, but Beijing is working hard to catch up.

Here’s what you’ll learn when you read this story: For the first time, China has outstripped U.S. nuclear-powered submarine production. U.S. plans to shore up an aging submarine fleet are delayed.

Add Yahoo as a preferred source to see more of our stories on Google. This satellite image shows Bohai Shipyard, where all Chinese nuclear-powered submarines are constructed. (Google Earth) ...

CHRISTCHURCH, New Zealand - Submarines are among the most secretive of China's military assets, but a new class of nuclear-powered attack submarine – or SSN for short – has shown up in satellite ...