NASA Astronaut Chris Williams in Training Pre-launch | International Space Station

NASA Astronaut Chris Williams in Training Pre-launch | International Space Station

NASA astronaut Chris Williams trains for his first mission to the International Space Station. He will launch aboard the Russian Soyuz MS-28 spacecraft with Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev of Russia, becoming a flight engineer on Expedition 73/74 after arriving at the station. During his approximately eight-month mission, Williams will conduct numerous scientific experiments and technology demonstrations, and help maintain the space station.

At the Baikonur Cosmodrome in Kazakhstan, the Soyuz MS-28 prime and backup crews completed final pre-flight training ahead of the scheduled Nov. 27, 2025, launch of NASA’s Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikayev for a planned eight-month mission to the International Space Station (ISS). The training activities that took place Nov. 11 through Nov. 21 include the rollout of the Soyuz 2.1a launch vehicle to its launch pad in Baikonur Nov. 24.

NASA astronaut Christopher Williams Biography
https://www.nasa.gov/people/nasa-astronaut-christopher-l-williams/

Selected as a candidate in 2021, Williams graduated with the 23rd astronaut class in 2024. He began training for his first space station flight assignment immediately after completing initial astronaut candidate training.

Williams was born in New York City, and considers Potomac, Maryland, his hometown. He holds a bachelor’s degree in physics from Stanford University in California and a doctorate in physics from the Massachusetts Institute of Technology in Cambridge, where his research focused on astrophysics. Williams completed medical physics residency training at Harvard Medical School in Boston. He was working as a clinical physicist and researcher at the Brigham and Women’s Hospital in Boston when he was selected as an astronaut candidate.

Follow Expedition 73:
https://blogs.nasa.gov/spacestation/

Expedition 73 Crew
Station Commander: Sergey Ryzhikov (Roscosmos)
JAXA Flight Engineer (Japan): Kimiya Yui
Roscosmos (Russia) Flight Engineers: Alexey Zubritskiy, Oleg Platonov
NASA Flight Engineers: Jonny Kim, Zena Cardman, Mike Fincke

An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada.

Video Credit: National Aeronautics and Space Administration (NASA)
Duration: 28 minutes
Release Date: Nov. 25, 2025

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