Mao is still working. He Lucheng, also known as Mao. Father Mao Zetan is Mao Zedong's third brother. Mother He Yi is He Zizhen's sister. He Lucheng is both Mao Zedong's nephew and Mao Zedong's nephew. He is not only a great contributor to the development of China's first missile, but also a major researcher in many important projects such as China's first artificial satellite. With his long-term outstanding contributions in the aviation field, he became the first person in the General Staff of the People's Liberation Army to be awarded a senior title, and was called missile expert 00 1.