Astronomy Magazine
In 1959, having determined that military test pilots would make the best astronauts, NASA began screening the records of 508 candidates. From there the group was narrowed to 110 men who went through interviews and written tests; of the 110, 32 candidates were selected to undergo extensive physical and mental testing. Finally, on April 1, Continue reading "April 9, 1959: The Mercury 7 debut" The post April 9, 1959: The Mercury 7 debut appeared first on Astronomy Magazine .
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