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After 27 years of service, NASA astronaut Suni Williams retired on December 27, 2025. A veteran of three missions to the International Space Station, she logged 608 days in space—ranking second among NASA astronauts for cumulative time. Williams holds the record for the most spacewalk hours by a woman, totaling over 62 hours across nine spacewalks.
Her career included commanding Expeditions 33 and 72, pioneering commercial flight tests aboard Boeing’s Starliner, and training for future Moon landings. A retired Navy captain, she is celebrated as a trailblazer who advanced space exploration and inspired future generations.
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