China is moving toward all-nuclear submarine construction in a major strategic shift, US Navy intel chief says

Mark Schiefelbein / POOL / AFP

• The US Navy's intel chief said China is shifting toward building all nuclear-powered submarines.
• Supported by its vast shipbuilding capacity, China is also ramping up submarine production.
• China has historically lagged behind on submarine capabilities. US officials say it's catching up.

China's navy is moving toward all-nuclear submarine construction, the US Navy's intelligence lead said, describing a long-term shift in how...