Shenzhou-23 launched on Long March 2F Y23 from the Jiuquan Satellite Launch Center, carrying mission commander Zhu Yangzhu, Zhang Zhiyuan and Li Jiaying (Lai Ka-ying), the first astronaut from Hong Kong, to China's Tiangong space station to take over from the Shenzhou-21 crew. The crew is set to carry out a one-year in-orbit stay experiment and more than 100 new science and application projects.