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NASA Astronaut Sunita L. Williams

Sunita “Suni” L. Williams was selected as a NASA astronaut in 1998. NASA astronauts Suni Williams and Butch Wilmore launched aboard Boeing’s Starliner spacecraft on June 5, 2024 for its first crewed flight, arriving at the space station on June 6. Following the agency’s decision to return Starliner uncrewed, the duo became Expedition 71/72 crewmembers and returned home in March 2025 aboard a SpaceX Dragon spacecraft along with NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov on NASA’s SpaceX Crew-9 mission.

Quick Facts

Williams’ Astronaut Candidate Training included orientation briefings and tours, numerous scientific and technical briefings, intensive instruction in shuttle and International Space Station systems, physiological training and ground school to prepare for T-38 flight training, as well as learning water and wilderness survival techniques.

Williams' Astronaut Candidate Training included orientation briefings and tours, numerous scientific and technical briefings, intensive instruction in shuttle and International Space Station systems, physiological training and ground school to prepare for T-38 flight training, as well as learning water and wilderness survival techniques.

As a NEEMO2 crew member, she lived underwater in the Aquarius habitat for 9 days.

As a NEEMO2 crew member, she lived underwater in the Aquarius habitat for 9 days.

Williams is a veteran of three space missions, Expeditions 14/15, 32/33 and 71/72.

Williams is a veteran of three space missions, Expeditions 14/15, 32/33 and 71/72.

(22 September 2004) Astronaut Sunita L. Williams (Credit: NASA/Mark Sowa)

NASA astronauts Suni Williams, left, and Mike Fincke, right, pose for photographs while visiting NASA’s Kennedy Space Center in Florida, May 18, 2022, in advance of the agency’s Boeing Orbital Flight Test-2 (OFT-2) for NASA’s Commercial Crew Program. Boeing’s CST-100 Starliner spacecraft will launch atop a United Launch Alliance Atlas V rocket from Space Launch Complex-41 at Cape Canaveral Space Force Station on May 19, 2022. (Credit: NASA/Isaac Watson)

(8 February 2007) Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 6-hour, 40-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander, completed tasks that will allow for the attachment of a cargo platform during the STS-118 mission this summer and relocation of the P6 truss during STS-120.

(11 January 2012) NASA astronaut Sunita Williams, Expedition 32 flight engineer and Expedition 33 commander, gets help donning a training version of her Extravehicular Mobility Unit (EMU) spacesuit in preparation for a spacewalk training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA’s Johnson Space Center. (Credit: NASA)

(16 October 2012) NASA astronaut Sunita Williams, Expedition 33 commander, uses a still camera to photograph the Canadarm2 robotic arm’s Latching End Effector (LEE) from a window in the Cupola of the International Space Station.

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Sunita Williams

Learn more about astronaut Sunita Williams, including her flight experience, hobbies, education, background and more.

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NASA astronaut Sunita Williams, Expedition 32 flight engineer, appears to touch the bright sun during the mission's third session of extravehicular activity (EVA).

(5 September 2012) NASA astronaut Sunita Williams, Expedition 32 flight engineer, appears to touch the bright sun during the mission’s third session of extravehicular activity (EVA). During the six-hour, 28-minute spacewalk, Williams and Japan Aerospace Exploration Agency astronaut Aki Hoshide (visible in the reflections of Williams’ helmet visor), flight engineer, completed the installation of a Main Bus Switching Unit (MBSU) that was hampered last week by a possible misalignment and damaged threads where a bolt must be placed. They also installed a camera on the International Space Station’s robotic arm, Canadarm2.

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