Daily management of core cabin components; Carry out two extravehicular activities and extravehicular operations; Conducting space science and technology experiments; Carry out astronauts' own health management. That is, extravehicular maintenance, equipment replacement, scientific application load, space science experiment and technology experiment, space medical experiment, (including life care, physical exercise, regular monitoring and verification of astronauts' long-term stay support technology) and a series of tasks.
The purpose of these missions is to comprehensively evaluate and evaluate the function and performance of the space system in carrying out the space station mission, and to accumulate experience for the follow-up.
Shenzhou XII, referred to as "Shenzhou XII" for short, is the 12th spaceship launched by China's manned spaceflight project. It is the fourth mission in the key technology verification stage of the space station and the first manned mission in the space station stage.
In April, 20021,the Shenzhou 12 manned space mission ship arrived safely at Jiuquan Satellite Launch Center in batches. In June, it was reported that according to the Shenzhou-12 manned mission plan, three astronauts will be the first "crew" of Tianhe core cabin and stay in orbit for three months to carry out extravehicular maintenance, equipment replacement, load scientific application and a series of operations. On June 15, the symbol of Shenzhou 12 manned mission was officially released.
At 9: 22 on June 17, Beijing time, the Long March II F- 12 carrier rocket carrying the Shenzhou 12 manned spacecraft was ignited and launched at Jiuquan Satellite Launch Center. Since then, the Shenzhou-12 manned spacecraft has been successfully separated from the rocket, entered the predetermined orbit, and successfully sent three astronauts, Nie Haisheng, Liu Boming and Tang Hongbo, into space. The pilot was in good condition and the launch was a complete success.