天和号核心舱
China aims to launch the Tianhe core module, the first module of the Chinese Space Station, in 2020.
CMSEO had planned a test launch of the Long March 5B before launching the 20-metric-ton Chinese Space Station core module Tianhe into low Earth orbit sometime in 2020.
China plans to launch the first module of the Chinese Space Station, named Tianhe, around 2020 contingent on the nominal return-to-flight of the Long March 5 launch vehicle and a successful debut of the Long March 5B.