Well a moon base is entirely possible. Would it take a long time? Hell yes. Would it be risky? Definitely. Is it IMpossible? Not in the least.
I've got a manual downstairs from the 1980s that a family friend gave to me. He worked for NASA, and the manual itself details plans for building a base on Mars. He took it from the dumpster outback (a base on Mars by 2010 was not at all plausible, as I'm guessing the government found out; NASA itself only helped with the idea, but the government was responsible for posing the question).
If I get time this week, I'll dig through and try to find it. I'll post scans of it if I do. I'll probably go through tomorrow. Be warned, I've got a lot of junk down there.
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