Christina Koch

Christina Hammock Koch ( KUUK; née Hammock; born January 29, 1979) is an American engineer and NASA astronaut. On her long-term mission to the International Space Station in 2019–2020, she conducted the first all‑female spacewalks and set the record for the longest single spaceflight by a woman. On the Artemis II mission in April 2026, which set the record for human distance from Earth, Koch became the first woman to travel beyond low Earth orbit and journey around the Moon.

Christina Koch - Wikipedia Jump to content From Wikipedia, the free encyclopedia American astronaut, first woman to circle the Moon (born 1979) Christina Koch Official portrait, 2023 Born Christina Hammock ( 1979-01-29 ) January 29, 1979 (age 47) Grand Rapids, Michigan , US Education North Carolina State University ( BS , MS ) Spouse Robert Koch Space career NASA astronaut Time in space 338 days, 15 hours, 30 minutes Selection NASA Group 21 (2013) Total EVAs 6 Total EVA time 42 hours, 15 minutes Missions Soyuz MS-12 / MS-13 ( Expedition 59 / 60 / 61 ) Artemis II Mission insignia Signature Chri

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