Shenzhou manned spacecraft is a manned spacecraft developed by China for the transportation

Shenzhou series manned spacecraft consists of orbital module, re-entry module and propellant module, with a total of 14 sub-systems, which is the spacecraft with the most stringent requirements for reliability and safety in China [40]. As an emergency rescue ship, Shenzhou 15 manned spacecraft and Shenzhou 14 manned spacecraft were prepared for flight at the same time in Jiuquan Satellite Launch Center. With the progress of the mission, the Shenzhou 14 manned spacecraft will be launched in June 2022, and the Shenzhou 15 manned spacecraft will continue to be on standby on the ground. According to the mission plan, as an emergency rescue ship, Shenzhou 15 manned spacecraft has been ready for launch and is sealed in a clean soft cover with constant temperature and humidity. Officially entered the launch process, after completing a series of work such as inspection, testing, refueling, etc., the spacecraft was put into the fairing, and the Long March 2F carrier rocket was erected in the factory building.