In this Saturday, April 24, 2021, file photo made available by NASA, the SpaceX Crew Dragon capsule approaches the International Space Station for docking. SpaceX's four astronauts had barely settled into orbit on Friday, April 23, when they were ordered back into their spacesuits because of a potential collision with orbiting junk. It turns out there was no threat, the U.S. Space Command acknowledged Monday, April 26. The error is under review. (NASA via AP)
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