Quote Originally Posted by Takeovers View Post
All of these astronauts are very thoroughly vetted and selected.
Without doubt.


Quote Originally Posted by Takeovers View Post
They are all part of "the best". So no concern about ability here.
What are the Final 4, so to speak, chosen on?


I would have presumed the 4 best candidates would usually be chosen, but happy to admit I'm wrong if not.