Christina Hammock Koch [pronunciation: “Cook”] was selected as a NASA astronaut in 2013. She served as flight engineer on the International Space Station (ISS) for Expedition 59, 60 and 61. Koch set a record for the longest single spaceflight by a woman with a total of 328 days in space and participated in the first all-female spacewalk. She has been assigned as Mission Specialist I of NASA’s Artemis II mission.
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