The commander of the celestial army has jurisdiction over the space launch unit, the space survey tracking management unit, the anti-space surveillance combat unit and the military astronaut unit. It is a group of astronauts who perform military tasks on the space shuttle, space station or spacecraft. It is responsible for campaign management, monitoring intercontinental missiles launched from the air, underwater and ground, and tracking enemy military spacecraft in outer space. Find out the situation, give early warning in time, and complete the military mission of space attack and defense.