Twelve people are about to begin a life-changing journey.
Out of more than 18,300 applicants, they're NASA's picks for their 2017 class of astronaut candidates. This month, the chosen twelve are headed to Houston's Johnson Space Center to begin a two-year, five-step training program.
In the story above, astronauts Jessica Meir and Victor Glover from NASA's 2013 class explain what the incoming candidates can expect.
Images and supplemental video footage are courtesy of NASA.
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