On 6 December 2018, the Chinese Society of Astronautics (CSA) invited Mr. Gregory Kulacki, project manager of the Union of Concerned Scientists(UCS) in China, to visit CSA and give a lecture on "Sino-US cooperation in space".

The lecture discussed the opportunities and challenges of Sino-US space cooperation from the perspectives of history and culture, as well as the possibilities of Sino-US cooperation in manned space flight, lunar exploration and space station.