Project Mercury was the first successful manned spaceflight program of the US. It ran from 1959 through 1963 with the goal of putting a man in orbit around the Earth. The first Americans to venture into space were drawn from a group of 110 military pilots chosen for their flight test experience and their satisfaction of certain physical requirements; seven were selected to be astronauts in April 1959 and were quickly dubbed the "Mercury Seven." How many of them went on to fly Mercury missions? Discussfrom This Day in History http://ift.tt/1VcbQpr
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