The Federal Aviation Administration has grounded SpaceX rockets, following a failure of one of the company’s Falcon 9 rocket boosters early Wednesday morning.
The grounding comes as a crew of four astronauts waits in quarantine for the launch of the Polaris Dawn mission aboard a Falcon 9. The private flight, funded by internet entrepreneur Jared Isaacman, is set to conduct the world’s first commercial spacewalk. It had already been pushed back several days due to technical issues and weather concerns.
Neither SpaceX nor the Polaris Dawn program immediately responded to NPR's request for comment.
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