Shenzhou 21 is about to launch, and all systems are ready.

Today, the organization of the launch mission of Shenzhou 21 manned spacecraft completed the full-area rehearsal. Currently, all systems of the launch mission have completed the relevant functional checks and made all necessary preparations before the launch. At around 8:30 in the morning, under the unified dispatch of the Beijing Aerospace Flight Control Center, Jiuquan Satellite Launch Center, Xi'an Satellite Measurement and Control Center, and various control station sites conducted joint tuning and control, comprehensively simulating various technical states and work processes during launch preparation, launch, and flight. Through the rehearsal, the reliability of the rocket, spacecraft, launch site, and measurement and control communication systems and facilities was verified, and the level of coordination between systems in the mission was tested.