Sunita Williams tells Abu Dhabi audience about being stuck on ISS for 286. National Aeronautics and Space Administration's (NASA) trailblazing astronaut Sunita Williams, renowned for her record-breaking spacewalks and a harrowing nine-month ordeal aboard the. Cape Canaveral: NASA's Sunita Williams - one of two astronauts stuck for months at the International Space Station - has retired. The space agency announced the news Tuesday, saying her.