Sunita Williams Bids Farewell to Space After 27 Years NASA astronaut Sunita Williams has officially retired after an illustrious 27-year career in space exploration. She completed three missions aboard the International Space Station (ISS), logged 608 days in space, and conducted nine spacewalks totaling over 62 hours. Williams made history as the first person to run a marathon in space and played a key role in NASA’s commercial crew missions, including Boeing’s Starliner and SpaceX’s Crew-9. Bo