China and Russia have both launched robotic spacecraft on cargo missions recently, according to reports in the media.
Chinese state news agency Xinhua says the Tiangong-2 space lab and Tianzhou-1 completed a second refuelling test which “cemented technical results from the first refuelling”.
According to Space.com, the refuelling procedure requires 29 steps to complete and lasts for several days. [Read more…] about Chinese robotic spacecraft completes second refuelling test, as Russia launches robotic cargo ship to International Space Station