NASA said it considered using a different SpaceX capsule to fly up the replacement crew in order to keep the flights on schedule.
Butch Wilmore and Suni Williams, NASA astronauts, learn they'll be stuck in space even longer
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The gases then built up, causing pressure and ultimately cracks, which led the charred material to fall off, NASA said.
NASA delays manned Artemis missions to moon again due to heat shield problems
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