Launch day for any astronaut is very focused, and with SpaceX's Crew Dragon coming online, many more people will have an opportunity to go to low earth orbit and potentially beyond.
I break down from the time the crew leaves home to lifting off into space in this exciting tail of preparing to ride a Falcon 9 in a Crew Dragon. It's first flight will be DM-2 with astronauts Bob Behnken and Doug Hurley.
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Editor: Jenny Cho
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