18 September 2021
The cargo craft Tianzhou 2, currently docked to the Tianhe core module, separated from Tianhe's rear docking port on 18 September at 10:25 BJT. TZ-2 then moved to the front docking port and completed an autonoumous rendezvous and docking. The whole process lasted about 4 hours. The Tianhe-TZ-2 orbital infrastruture is in good condition, waiting for docking with the Tianzhou 3 cargo craft and the Shenzhou 13 manned spaceship.
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