NASA astronauts Nick Hague and Christina Koch work on U.S. spacesuits. [Image source/NASA Wikimedia commons]
NASA Astronaut Christina Koch returns to Earth after a year in space. [Image source/CBS This Morning YouTube video]
Female astronaut Christina Koch of NASA wants to inspire next generation of explorers. [Image source/NBC News YouTube video]
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Photogallery - NASA astronaut Christina Koch sets a record for longest stay by a woman in space