Sunita Lyn Williams (née Pandya; born September 19, 1965) is a retired United States Navy captain and former NASA astronaut. Williams served aboard the International Space Station as a flight engineer for Expedition 14, Expedition 15, Expedition 32, and Expedition 71 and commander of Expedition 33 and Expedition 72. A member of NASA's Commercial Crew program, she became the first woman to fly on a flight test of an orbital spacecraft during the 2024 Boeing Crew Flight Test and had her stay extended by technical problems aboard the ISS for more than nine months. She is one of the most experienced spacewalkers: her nine spacewalks are second-most by a woman, and her total spacewalk time of 62 hours and 6 minutes is fourth overall and the most by a woman.
Early life Sunita Lyn Pandya was born on September 19, 1965, in Euclid, Ohio, and grew up in Needham, Massachusetts. Her father, Deepak Pandya, was a Nagar Brahmin neuroanatomist from India, while her mother, Ursuline Bonnie Pandya (née Zalokar) was a Slovene American. Her parents resided in Falmouth, Massachusetts. She is the youngest of three children. Her brother, Jay Thomas, is four years older and her sister, Dina Ann, is three years older. Williams has taken the flag of Slovenia, a samosa and Carniolan sausage to space in celebration of her Indian and Slovenian heritage. Her nicknames are Suni in the United States and Sončka in Slovenia. Williams graduated from Needham High School in 1983. She received a Bachelor of Science degree in physical science from the United States Naval Academy in 1987, and a Master of Science degree in engineering management from Florida Institute of Technology in 1995.
Military career Williams was commissioned an ensign in the United States Navy in May 1987. After a six-month temporary assignment at the Naval Coastal System Command, she was designated a Basic Diving Officer. She next reported to the Naval Air Training Command, where she was designated a naval aviator in July 1989. She received initial H-46 Sea Knight training in Helicopter Combat Support Squadron 3 (HC-3), and was then assigned to Helicopter Combat Support Squadron 8 (HC-8) in Norfolk, Virginia, with which she made overseas deployments to the Mediterranean, Red Sea, and Persian Gulf for Operation Desert Shield and Operation Provide Comfort. In September 1992, she was the officer-in-charge of an H-46 detachment sent to Miami, Florida, for Hurricane Andrew relief operations aboard USS Sylvania. In January 1993, Williams began training at the U.S. Naval Test Pilot School. She graduated in December, and was assigned to the Rotary Wing Aircraft Test Directorate as an H-46 Project Officer and V-22 chase pilot in the T-2. Later, she was assigned as the squadron Safety Officer and flew test flights in the SH-60B/F, UH-1, AH-1W, SH-2, VH-3, H-46, CH-53, and H-57. In December 1995, she went back to the Naval Test Pilot School as an instructor in the Rotary Wing Department and as the school's Safety Officer. There she flew the UH-60, OH-6, and the OH-58. She was then assigned to USS Saipan as the Aircraft Handler and the Assistant Air Boss. Williams was deployed on Saipan in June 1998 when she was selected by NASA for the astronaut program. She has logged more than 3,000 flight hours in more than 30 aircraft types. Williams retired from the Navy as a captain in 2017.
Career in NASA Williams began her astronaut candidate training at the Johnson Space Center in August 1998.
STS-116
Williams was launched to the International Space Station (ISS) with STS-116, aboard Space Shuttle Discovery, on December 9, 2006, to join the Expedition 14 crew. In April 2007, the Russian members of the crew rotated, changing to Expedition 15.
Expeditions 14 and 15
After launch, Williams arranged to donate her ponytail to Locks of Love. Fellow astronaut Joan Higginbotham cut her hair aboard the International Space Station and it was brought back to Earth by the STS-116 crew. Williams performed her first extra-vehicular activity on the eighth day of the STS-116 mission. On January 31, February 4, and February 9, 2007, she completed three spacewalks from the ISS with Michael López-Alegría. During one of these walks, a camera became untethered, probably because the attaching device failed, and floated off to space before Williams could react.
On the third spacewalk, Williams was outside the station for 6 hours and 40 minutes to complete three spacewalks in nine days. By 2007, she had logged 29 hours and 17 minutes in four spacewalks, eclipsing the record previously held by Kathryn C. Thornton for most spacewalk time by a woman. On December 18, 2007, during the fourth spacewalk of Expedition 16, Peggy Whitson surpassed Williams, with a cumulative EVA time of 32 hours, 36 minutes. In early March 2007, she received a tube of wasabi in a Progress spacecraft resupply mission in response to her request for more spicy food. When she opened the tube, which was packed at one atmospheric pressure, the paste was forced out in the lower pressure of the ISS. In the free-fall environment, the spicy geyser was difficult to contain. On April 26, 2007, NASA decided to bring Williams back to Earth on the STS-117 mission aboard Atlantis. Although she did not break the U.S. single spaceflight record—recently set by López-Alegría—she did break the record for longest single spaceflight by a woman. Williams served as a mission specialist and returned to Earth on June 22, 2007, at the end of the STS-117 mission. Poor weather at the Kennedy Space Center in Cape Canaveral forced mission managers to skip three landing attempts there over 24 hours. They ultimately diverted Atlantis to Edwards Air Force Base in California, where the shuttle touched down at 3:49 p.m. EDT, returning Williams home after a 192-day stay in space.
Marathon in space On April 16, 2007, she ran the first marathon by any person in space. Williams was listed as an entrant for the 2007 Boston Marathon, and completed the distance in 4 hours and 24 minutes. During the race, the other crew members cheered her on and tossed oranges to her. Williams's sister, Dina Pandya and fellow astronaut Karen L. Nyberg ran the marathon on Earth, and Williams received updates on their progress from Mission Control. In 2008, 2009 and 2026, Williams participated in the Boston Marathon again.
Expeditions 32 and 33
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