Peggy Annette Whitson is a retired American biochemistry researcher, NASA astronaut, and former NASA Chief Astronaut. She holds the record for the most time in space by an American astronaut and the most time in space by any woman astronaut. She has also held multiple other records related to spacewalking and spaceflight. Whitson retired from NASA in 2018 and now works as a consultant for Axiom Space, where she has been selected to be commander of Axiom Mission 2.
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