He managed to build a nuclear submarine for China with just an American children's toy.

The story is one of ingenuity and determination. With nothing more than an American children's toy as a reference, a visionary individual embarked on a journey that would change the course of China's naval capabilities. This seemingly simple toy, perhaps a submarine model, sparked an idea that led to the development of China's nuclear submarine program. Despite the lack of access to advanced technology and under intense international scrutiny, the creator's resourcefulness and the nation's resolve culminated in a remarkable achievement. This tale is a testament to the power of innovation and the indomitable spirit that can turn the most humble beginnings into a strategic asset, securing a nation's place in the global maritime hierarchy.