[NASA] NASA Astronaut Chris Williams to Discuss Space Station Mission

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NASA astronaut and Expedition 74 flight engineer Chris Williams shows off the Destiny laboratory module’s Microgravity Science Glovebox aboard the International Space Station. Williams was supporting semiconductor crystal research to help advance the commercial space economy and promote Earth-based industries.

NASA/Chris Williams

NASA astronaut Chris Williams will recap his recent eight-month mission aboard the International Space Station during a news conference at 2:45 p.m. EDT Tuesday, Aug. 4, from the agency’s Johnson Space Center in Houston.

NASA will stream this event live through a variety of platforms. Learn where to watch online:

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United States-based media interested in attending in person must contact the NASA Johnson newsroom no later than 5 p.m., Friday, July 31, at *****@*****.tld.

Media wishing to participate by phone must contact the Johnson newsroom no later than two hours before the start of the event. To ask a question by phone, media must dial into the news conference no later than 15 minutes prior to the start of the call. NASA’s

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is available online.

Williams

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on July 26, after logging 241 days as an Expedition 73/74 flight engineer during his first spaceflight. He returned along with Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, completing 3,856 orbits of the Earth over the course of their more than 102-million-mile journey. They also saw the arrival of six visiting spacecraft and the departure of eight.

During his mission, Williams supported a wide range of

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and technology demonstrations. He helped advance research for new ******* treatments and improved in-space manufacturing of materials used in high-performance computers and electronics. Williams also completed two spacewalks to prep for space station

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and to

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on the Canadarm2 robotic arm. The crew’s

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the space station helps improve life on Earth and prepare for future human missions to the Moon and Mars.

To learn more about International Space Station research, operations, and its crews, visit:

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-end-

Joshua Finch
Headquarters, Washington
202-358-1100
*****@*****.tld

Anna Schneider
Johnson Space Center, Houston
281-483-5111
*****@*****.tld

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Last Updated

Jul 27, 2026

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