Shenzhou XXI blasts off, on way to space station
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According to its docking program, the spacecraft would spend about three-and-a-half hours to approach and connect with the front port of the Tianhe core module, the central piece of the Tiangong.
Following the docking, the Shenzhou XXI crew would use a certain period of time on preparatory work, such as removing their pressure suits and wearing the intravehicular work suits, to make ready for their entry into the space station.
Meanwhile, the outgoing Shenzhou XX team — mission commander Senior Colonel Chen Dong, Colonel Chen Zhongrui and Colonel Wang Jie — would wait inside the connection cabin to welcome their peers.






















