Chinese astronauts for the Shenzhou-16 mission (from left) Gui Haichao, Zhu Yangzhu, and Jing Haipeng wave to spectators during a send-off ceremony for their manned space mission at the Jiuquan Satellite Launch Center in northwestern China, May 30, 2023. The astronauts blasted off Tuesday and arrived at China's Tiangong space station. China aims to put an astronaut on the moon by 2030.