He flew in space aboard Soyuz 40 spacecraft and Salyut 6 space laboratory. However, it was decided to abandon that plan and launch a small space laboratory instead. Then, two crewed missions were planned to the first Chinese space laboratory. This would be an eight-ton space laboratory module with two docking ports. To supply this space laboratory was the duty of the City on the Moon. Tiangong-2 is China's second Space Laboratory module which was launched on 15 Sep 2016. China's first space laboratory, Tiangong-1 was launched in September 2011. The resulting Tiangong-2 space laboratory was launched on September 15, 2016. It successfully docked with the Tiangong-2 space laboratory on 22 April 2017 at 12&colon;16 (UTC+8). China launched its first space laboratory, Tiangong-1, on September 29, 2011. The Oka-T-MKS space laboratory was contracted to Energia by Roscosmos in 2012. For the third time, the Salyut was a four-man orbiting space laboratory.