SpaceX CEO Elon Musk, left, speaks to NASA astronaut Bob Behnken at the launch tower of Kennedy Space Center's LC-39A complex on Mar.
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Indeed, early in its history, SpaceX won a crucial contract from NASA to deliver cargo to the International Space Station — before it even made it to orbit.
Put another way, SpaceX is currently the sole path for NASA astronauts to get to and from orbit.
NASA," Nelson said.