Since the early 70's, absolutely no one has ever gone back to the moon. Only unmanned landings, being a few probes.
I'm starting to think they saw something. Something that made them never want to venture there again. But what did they see?
Just so you know, Helium 3 is a good reason to go back.
[Edited on 01.05.2013 8:06 PM PST]
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[url=http://www.youtube.com/watch?v=3H8bnKdf654]Because robots.[/url] In disguise.