Future Development
Tiangong-1 is intended as a testbed for key technologies that will be used in China's large modular space station, which is planned for launch in 2020. Furthermore, modified versions of Tiangong-1 will be used as robotic cargo spacecraft to resupply this station. The launch mass of the Tiangong-1-derived cargo spacecraft is expected to be around 13 metric tons (29,000 lb), with a payload of around 6 metric tons (13,000 lb).
Read more about this topic: Tiangong 1
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