Animals in Space

Two chimps from the Holloman program were successfully launched into orbit.
Donald Uhrbrock / Time Life Pictures / Getty

In Space
Two chimps from the Holloman program were successfully launched into orbit. A chimp named Ham, whose journey lasted 16 minutes and 59 seconds, took off in January 1961. His comrade, Enos, blasted off ten months later, above, for a journey that circled the Earth two times.

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