The first mission to the space station, Tianzhou 2, is scheduled to fly in May 2021. The Modular Space Station Core Module would be called Tianhe (Chinese: 天和; pinyin: Tiān Hé; lit. 'Harmony of the Heavens'), code TH.[18] Tianhe successfully launched on 29 April 2021.[3][19][20] The Modular Space Station Experiment Module I would be called Wentian (Chinese: 问天; Chinese: 問天; pinyin: Wèn Tiān; lit.