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I liken it to a daisy chain, long and very fragile daisy chain, it emanates from Cape Canaveral, and then it goes out into space and around the moon and circles it back in. And it's got all these links in it, and if one link fails, well, all the rest downstream are useless. So for eight days, to and from, there was always one thing coming up, the next big event which could ruin you, be the end of you. That was how it worked.