 Similarly, one member of the module's three-person crew slept in the Shenzhou spacecraft, preventing overcrowding.Tiangong-1 was originally intended to be launched in August 2011, and was delivered to the Jiuquan Satellite Launch Center on 23 July, successfully passing a launch rehearsal test on 17 August.However, following the failed launch of a Long March 2C rocket in August 2011, the launch was postponed.