The international endeavour won't happen for a while due to government regulations dating back to Cold War [0]. An open space community decided to split into two space groups, USA and Non-USA [1].

[0] http://www.reddit.com/r/tothemoon/comments/jca8h/itar_is_a_t...

[1] http://www.reddit.com/r/tothemoon/comments/ji9e1/review_of_t...