I can delete this inane response, which attempts to hijack a thread from flight safety and sociology, to anomalism and conspiracy theory. or I can leave it in place. I choose to leave it, mostly because I think your argument is so ridiculous, that it is harmless..

Get sophisticated, Eric. There are different *types* of cover-up. Saving your mate or brother from embarrassment is NOT the same as Global Conspiracy.

Sure, these guys are not perfect. Astronaut, or not, they're Human. I fully expect that some astronauts and astronaut trainees flew training missions while hungover. In Australia, we have a "blokie" culture and we seem to applaud alcohol abuse:- http://www.theage.com.au/news/jim-schembri/forgetting-about-my-memory-loss/2007/08/28/1188067106783.html

So long as nobody ELSE suffers, that is...

Now, does this mean that all those UFO stories are true?

methinks, no...