China has built a land-based prototype nuclear reactor for a large surface warship, in the clearest sign yet Beijing is advancing toward producing its first nuclear-powered aircraft carrier, according to a new analysis of satellite imagery and Chinese government documents provided to The Associated Press.

China’s PLA Navy already has the largest number of vessels in the world, and its vessels are also quite modern, with updated technology.

The package, which was approved Friday, was designed to alleviate local government debt but fell short of investor expectations.

Base metal prices were mixed as copper and other industrial metals sold-off late last week after the Chinese government’s debt package disappointed markets, ING said.