Peggy Whitson
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Peggy Annette Whitson is an American biochemistry researcher, and astronaut working for Axiom Space. She retired from NASA in 2018, after serving as Chief Astronaut. Over all her missions, Whitson has a total of 665 days in space, more than any other American or woman.
NEEMO 5 crew members are pictured in the bunkroom aboard the Aquarius research habitat. Top, L-R: Garrett Reisman, Emma Hwang; Middle: Whitson, Clayton Anderson; Bottom: James Talacek, Ryan Snow.
Whitson working near the Microgravity Science Glovebox during Expedition 5
Peggy Whitson in the course of preparing for a spacewalk from the ISS during Expedition 5
Christina Koch
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Christina Hammock Koch is an American engineer and NASA astronaut of the class of 2013. She received Bachelor of Science degrees in electrical engineering and physics and a Master of Science in electrical engineering at North Carolina State University. She also did advanced study while working at the Goddard Space Flight Center. Just before becoming an astronaut, she served at the National Oceanic and Atmospheric Administration as station chief for American Samoa.
Koch signals her success in starting a fire during wilderness survival training in 2013.
Expedition 59 crew members Anne McClain, Oleg Kononenko, and David Saint-Jacques welcome their new crew members, Nick Hague, Alexey Ovchinin, and Koch (bottom right) who arrived at the International Space Station on March 14, 2019.
Official crew portrait for Artemis II, from left: NASA Astronauts Christina Koch, Victor Glover, Reid Wiseman, Canadian Space Agency Astronaut Jeremy Hansen.