In space, no one can hear you scream! Unless you're connected by two-way radios, in whihc case they can, and it really hurts your ears. Here's a preview of a movie that uses that "found footage" trick to nice effect. Why didn't we go back to the moon? Because of . . . things. Horrible things.

Yes, Apollo 18. They launched that one in secret. One guy had to take the phone calls all day. "A Saturn V rocket thundering into the sky on an enormous pillar of flame, its earsplitting roar announcing its flight for miles around? I don't know what you're talking about."