For decades, China had a minimal nuclear force. Now it is rapidly transforming into a nuclear superpower. Under Xi Jinping, Beijing is driving a surge in warhead numbers and building one of the world’s most advanced missile arsenals. But why? What are these weapons for – and what kinds of conflict is China preparing for? In this special production, DW’s Richard Walker investigates, speaking to some of the world’s leading experts on Chinese nuclear strategy and doctrine, the factors shaping its