“China’s main secure command centre is in the Western Hills, north-east of the new facility, and was built decades ago at the height of the Cold War,” the former official said. “The size, scale and partially buried characteristics of the new facility suggest it will replace the Western Hills complex as the primary wartime command facility.

China is building a large-scale laser-ignited nuclear fusion research facility in Mianyang to enhance both nuclear weapons design and clean energy production. The facility's design mirrors the National Ignition Facility in California.

Satellite images reveal China is building a massive laser fusion facility, which can be used in nuclear weapons research as well.

The number of Chinese operational nuclear warheads has increased by more than 100 to over 600, the Pentagon reported.

China is reportedly constructing a large fusion research facility in the southwestern city of Mianyang, which could contribute to nuclear weapons development and research into energy production capabilities,