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Monkeys in space - Wikipedia, the free encyclopedia
Thirty-two monkeys flew in the space program; each had only one mission. Numerous back-up monkeys also went through the programs but never flew. Monkeys from several species were used, including rhesus monkeys, cynomolgus monkeys, and squirrel monkeys, as well as pig-tailed macaques.
You really have to feel for all the “back-up monkeys” who trained but never got to go. I’ll bet they had dreams, too.
