At 20:59 on April 25, the Shenzhou 18 manned spacecraft carrying three astronauts was ignited and lifted off by the Long March 2F carrier rocket. It was successfully launched into the predetermined orbit. The launch mission was a complete success. Astronauts Ye Guangfu, Li Cong, and Li Guangsu will complete the onorbit rotation with the Shenzhou 17 crew. Six astronauts will stay in orbit for a short period of time at the same time. The Shenzhou spacecraft will face new challenges