NASA just postponed a spacewalk because of a medical concern with an astronaut. Here’s how the agency has handled such issues in the past.
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The Department of Defense is taking administrative action against former NASA astronaut and current U.S. Senator Mark Kelly over remarks he made in a 90-second video in November.
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“It’s really not a question of robotic exploration or human exploration,” Ehlmann said. “It is an ‘and’ — it’s robotic and human exploration and how we do these best together.”
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