Astronaut candidate resigns from NASA for first time in 50 years

Astronaut candidate resigns from NASA for first time in 50 years  Florida Today Astronaut Candidate Is First in 50 Years to Leave Midway Through NASA's Training Program  Gizmodo Astronaut quits NASA halfway through training — first in 50 years  NBCNews.com NASA's Growing Trust in Private Companies Fuels Innovation  NDTVFull coverage

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