Tianzhou 1 completed first on-orbit refuelling with Tiangong 2 https://t.co/45In0SqDX8 pic.twitter.com/YdHzE5gUgv— China Space Report (@ChinaSpaceNews) April 28, 2017
Tianzhou 1 completed first on-orbit refuelling with Tiangong 2 https://t.co/45In0SqDX8 pic.twitter.com/YdHzE5gUgv