Martian Reception Centres ....... Secure Quarantine Posts/Forward Operating Bases *
China appears to know what needs to be initially done in order that one survive in an alien landscape with future testing facilities/utilities ...... https://www.humanmars.net/2019/04/chinas-c-space-mars-simulation-base-in.html
Is it likely they be only ones entertaining living in strange worlds with alien beings? And would you be able to recognise someone/anything from a distant foreign planet? Would you have any clue as to what to look out for, to prove what you would only be thinking of as normal whenever one can only still just imagine what would be a welcoming traveller, at one end of the bright spectrum, or visitors to be made unwelcome and extraordinarily rendered extremely dangerous and almightily invincible whenever treated as foe and/or opposing competition for Earths abundant resources and live assets, at the other end of the dark spectrum?
*Who and/or What is doing What for Whom and/or What in those Establishments? What/Who Leads with Experience in such Fields of Novel Endeavour? Who and/or What pays the investment bills that makes all things appear and appear to disappear and reappear somewhere elsewhere interesting and even quite different and considerably more powerful than was ever before realised and able to be planned for? Them for Us?