jsc2024e005699 (Jan. 9, 2024) --- NASA astronaut Chris Williams poses for a photo in front of a T-38 jet at Ellington Field in Houston, Texas.

jsc2024e055523 (Aug. 13, 2024) --- NASA astronaut Chris Williams participates in spacewalk training at the Neutral Buoyancy Lab at NASA’s Johnson Space Center in Houston, Texas.

jsc2024e055545 (Aug. 13, 2024) --- NASA astronaut Chris Williams participates in spacewalk training at the Neutral Buoyancy Lab at NASA’s Johnson Space Center in Houston, Texas.

jsc2024e018416 (March 5, 2024) --- NASA astronaut Chris Williams participates in media interviews shortly after his graduation as an astronaut in Houston, Texas.

jsc2024e055570 (Aug. 13, 2024) --- NASA astronaut Chris Williams participates in spacewalk training at the Neutral Buoyancy Lab at NASA’s Johnson Space Center in Houston, Texas.

jsc2025e044433 (May 6, 2025) --- NASA astronaut Chris Williams poses for a photo in an Extravehicular Mobility Unit spacesuit during vacuum chambers testing at NASA’s Johnson Space Center in Houston, Texas.

jsc2025e044425 (May 6, 2025) --- NASA astronaut Chris Williams poses for a photo in an Extravehicular Mobility Unit spacesuit during vacuum chambers testing at NASA’s Johnson Space Center in Houston, Texas.

jsc2025e060543 (June 24, 2025) --- NASA astronaut Chris Williams prepares for takeoff in the backseat of a T-38 jet, departing out of Ellington Field in Houston, Texas.

Astronaut Candidate Individual Portrait, Chris Williams - ASCAN Class of 2021. Photo Date: December 3, 2021. Location: Building 8, Room 183 - Photo Studio. Credit: NASA/Robert Markowitz

jsc2025e045121 (May 14, 2025) --- NASA astronaut Chris Williams participates in a training session at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas, to prepare for the unlikely event of an emergency during his International Space Station mission.

jsc2024e074749 (Nov. 13, 2025) --- NASA astronaut Chris Williams participates in a training session at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas, to prepare for the unlikely event of an emergency during his International Space Station mission.

jsc2024e055706 (Aug. 16, 2024) --- NASA astronaut Chris Williams participates in a training at the Food Lab at NASA’s Johnson Space Center in Houston, Texas, in preparation for his mission to the International Space Station.

jsc2025e060539 (June 24, 2025) --- NASA astronaut Chris Williams (left) speaks with pilot John Gustine ahead of their flight on a T-38 jet out of Ellington Field in Houston, Texas.

jsc2024e077054_alt (Aug. 7, 2025) --- NASA astronaut and Expedition 74 Flight Engineer Chris Williams poses for a portrait in his flight suit at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/James Blair

jsc2025e033530 (Feb. 10, 2025) --- NASA astronaut and Soyuz MS-27 Backup Flight Engineer Chris Williams poses for a portrait in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia.

jsc2025e074497 (Jan. 16, 2025) --- NASA astronaut and Soyuz MS-28 Mission Specialist Chris Williams poses for a portrait in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia. Credit: GCTC

jsc2024e074755 (Nov. 13, 2025) --- NASA astronauts Chris Williams (left) and Mike Fincke (right) participate in a training session at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas, to prepare for the unlikely event of an emergency during their International Space Station mission.

iss073e1198126 (Nov. 28, 2025) --- Expedition 73 Flight Engineers Chris Williams and Zena Cardman, both NASA astronauts, seen here with the ISS Ham Radio during a school contact inside the International Space Station's Columbus laboratory module. Cardman was helping new NASA Flight Engineer Chris Williams familiarize himself with station hardware, operations, and systems during his second day aboard the orbital outpost.

jsc2025e045069 (May 14, 2025) --- NASA astronaut Chris Williams (middle) and Roscosmos cosmonaut Sergey Kud-Sverchkov. (right) participate in a training session at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas, to prepare for the unlikely event of an emergency during their International Space Station mission.

NASA astronaut Chris Williams is seen in quarantine, behind glass, during a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams is seen in quarantine, behind glass, during a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

iss073e1228220 (Dec. 2, 2025) --- Expedition 73 Flight Engineers (from left) Chris Williams and Jonny Kim, both NASA astronauts, work together inspecting and cleaning the Enhanced European Exploration Exercise Device (E4D) inside the International Space Station's Columbus laboratory. The E4D is being tested on the orbital outpost for its ability to provide bicycling, rowing, and resistance exercises to protect a crew member’s muscles, bones, and heart health in microgravity.

NASA astronaut Chris Williams, left, and Roscosmos cosmonaut Sergey Kud-Sverchkov are seen in quarantine, behind glass, as they arrive at a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, are seen in quarantine, behind glass, during a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left and Roscosmos cosmonaut Sergey Kud-Sverchkov, are seen in quarantine, behind glass, during a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, are seen in quarantine, behind glass, as they arrive at a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, are seen in quarantine, behind glass, at the conclusion of a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, are seen in quarantine, behind glass, at the conclusion of a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, are seen in quarantine, behind glass, at the conclusion of a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams is seen in quarantine, behind glass, during a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams is seen in quarantine, behind glass, during a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams signs a mural at the Cosmonaut Hotel prior to departing for suit-up and launch on a Soyuz rocket with fellow crewmates, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams puts his hands to the glass of the bus with his children, as he and fellow crewmembers, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, depart the Cosmonaut Hotel to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Roscosmos cosmonauts Sergei Mikaev, left, Sergey Kud-Sverchkov, and NASA astronaut Chris Williams, right, wave farewell as they depart the Cosmonaut Hotel to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, Roscosmos cosmonauts Sergei Mikaev, and Sergey Kud-Sverchkov, right, depart the Cosmonaut Hotel to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, depart the Cosmonaut Hotel to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 74 crewmembers: NASA astronaut Chris Williams, left, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, right, are seen during the State Commission meeting to approve the Soyuz launch of Expedition 74 to the International Space Station, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Williams, Kud-Sverchkov and Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, Roscosmos cosmonauts Sergei Mikaev, and Sergey Kud-Sverchkov, right, depart the Cosmonaut Hotel to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Victor Zelentsov)

NASA astronaut Chris Williams has his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergei Mikaev, and Sergey Kud-Sverchkov, prepare for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams has his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergei Mikaev, and Sergey Kud-Sverchkov, prepare for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams is helped into his Russian Sokol suit as he and fellow crewmates, Roscosmos cosmonauts Sergei Mikaev, and Sergey Kud-Sverchkov, prepare for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams has his Russian Sokol suit pressure checked as he and fellow crewmates, Roscosmos cosmonauts Sergei Mikaev, and Sergey Kud-Sverchkov, prepare for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams waits to have his Russian Sokol suit pressure checked ahead of his launch on the Soyuz Rocket to the International Space Station with fellow crewmembers, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams waits to have his Russian Sokol suit pressure checked ahead of his launch on the Soyuz Rocket to the International Space Station with fellow crewmembers, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams waits to have his Russian Sokol suit pressure checked ahead of his launch on the Soyuz Rocket to the International Space Station with fellow crewmembers, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams has his Russian Sokol suit pressure checked as he and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, prepare to launch in the Soyuz rocket to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams has his Russian Sokol suit pressure checked as he and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, prepare to launch in the Soyuz rocket to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 73 backup crewmember Chris Williams of NASA seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Expedition 73 backup crewmember Chris Williams of NASA is seen during the State Commission meeting to approve the Soyuz launch of Expedition 73 to the International Space Station, Monday, April 7, 2025, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Expedition 73 backup crewmember Chris Williams of NASA seen in quarantine, behind glass, during a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 73 crew members: NASA astronaut Jonny Kim, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy, are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Expedition 74 price crew members: NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, along with Expedition 74 backup crew members Anil Menon of NASA, Roscosmos cosmonauts Petr Dubrov, and Anna Kikinam, right, are seen in quarantine, behind glass, as they finish a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, along with Expedition 74 backup crew members Anil Menon of NASA, Roscosmos cosmonauts Petr Dubrov, and Anna Kikinam, right, are seen in quarantine, behind glass, as they arrive at a press conference, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

Roscosmos cosmonauts Sergei Mikaev, left, Sergey Kud-Sverchkov, and NASA astronaut Chris Williams, right, meet with NASA and Roscosmos management ahead of their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

Roscosmos cosmonauts Sergei Mikaev, foreground, Sergey Kud-Sverchkov, and NASA astronaut Chris Williams, background, depart building 254 ahead after donning their Russian Sokol suits for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025, Baikonur Cosmodrome, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams, left, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, are helped into their Russian Sokol suits as they prepare for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams, left, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, are seen after donning their Russian Sokol suits ahead of their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, depart building 254 of the Baikonur Cosmodrome, Kazakhstan ahead of their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025. Photo Credit: (NASA/Victor Zelentsov)

NASA astronaut Chris Williams interacts with his children as he waits to have his Russian Sokol suit pressure checked ahead of his launch on the Soyuz Rocket to the International Space Station with fellow crewmembers, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams interacts with his family as he waits to have his Russian Sokol suit pressure checked ahead of he and fellow crewmates, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, launch in their Soyuz MS-28 to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

NASA astronaut Chris Williams, left, poses for a photograph with Expedition 74 backup crew member Anil Menon of NASA, as he waits to have his Russian Sokol suit pressure checked for his launch on the Soyuz rocket to the International Space Station with fellow crewmembers, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams has his photo made with Expedition 74 backup crew member Anna Kikina of Roscosmos, by Expedition 74 backup crew member Anil Menon of NASA, as he waits to have his Russian Sokol suit pressure checked ahead of his launch on the Soyuz Rocket to the International Space Station with fellow crewmembers, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams talks to his family after having his Russian Sokol suit pressured checked as he and crew mates, Roscosmos cosmonauts Sergei Mikaev, and Sergey Kud-Sverchkov, prepare for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Victor Zelentsov)

Expedition 74 crewmembers: NASA astronaut Chris Williams, left, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, along with Expedition 74 backup crew members: Anil Menon of NASA, Petr Dubrov of Roscosmos, and Anna Kikina of Roscosmos, right, are seen during the State Commission meeting to approve the Soyuz launch of Expedition 74 to the International Space Station, Wednesday, Nov. 26, 2025 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Williams, Kud-Sverchkov and Mikaev, are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

Expedition 73 crewmembers NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritskiy and backup crewmembers Chris Williams of NASA, Sergey Kud-Skverchkov, and Sergey Mikaev of Roscosmos are seen during the State Commission meeting to approve the Soyuz launch of Expedition 73 to the International Space Station, Monday, April 7, 2025, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Roscosmos cosmonaut Sergey Kud-Sverchkov starts to have his Russian Sokol suit pressure checked as Roscosmos cosmonaut Sergei Mikaev, center, and NASA astronaut Chris Williams, right, wait, ahead of their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, receive approval to proceed to the launch pad by Roscosmos management ahead of their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 outside building 254, of the Baikonur Cosmodrome, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)

Roscosmos cosmonaut Sergei Mikaev, top, NASA astronaut Chris Williams, middle, and Roscosmos cosmonaut Sergey Kud-Sverchkov, wave farewell prior to boarding the Soyuz MS-28 spacecraft for launch, Thursday, Nov. 27, 2025 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Roscosmos cosmonaut Sergei Mikaev, top, NASA astronaut Chris Williams, middle, and Roscosmos cosmonaut Sergey Kud-Sverchkov, wave farewell prior to boarding the Soyuz MS-28 spacecraft for launch, Thursday, Nov. 27, 2025 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, arrive at the launch pad to board the Soyuz MS-28 spacecraft for launch, Thursday, Nov. 27, 2025 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

NASA astronaut Chris Williams, left, and Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, right, arrive at the launch pad to board the Soyuz MS-28 spacecraft for launch, Thursday, Nov. 27, 2025 at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket will send the trio on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

jsc2025e033529 (Feb. 10, 2025) --- Soyuz MS-27 backup crew members (from left) NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev pose for a portrait at the Gagarin Cosmonaut Training Center in Russia.

jsc2025e074496 (Dec. 12, 2024) --- Soyuz MS-28 crew members (from left) NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev pose for a portrait at the Gagarin Cosmonaut Training Center in Russia. Credit: GCTC

jsc2024e077037_alt (Aug. 7, 2025) --- Expedition 74 crew members (from left) NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev pose for a portrait at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/James Blair

Quarantined Expedition 32 prime crew members, from left, JAXA Flight Engineer Akihiko Hoshide, Russian Soyuz Commander Yuri Malenchenko, NASA Flight Engineer Sunita Williams, along with Expedition 32 backup few members, Tom Marshburn, Roman Romanenko and Chris Hadfield prepare to answer reporters questions from behind glass during a prelaunch press conference held at the Cosmonaut Hotel on Friday, July 13, 2012 in Baikonur, Kazakhstan. The launch of the Soyuz spacecraft with Malenchenko, Williams and Hoshide is scheduled for 8:40 a.m. local time on Sunday, July 15. Photo Credit (NASA/Carla Cioffi)

Quarantined Expedition 32 prime crew members, from left, JAXA Flight Engineer Akihiko Hoshide, Russian Soyuz Commander Yuri Malenchenko, NASA Flight Engineer Sunita Williams, along with Expedition 32 backup few members, Tom Marshburn, Roman Romanenko and Chris Hadfield pose for photograhers from behind glass during a prelaunch press conference held at the Cosmonaut Hotel on Friday, July 13, 2012 in Baikonur, Kazakhstan. The launch of the Soyuz spacecraft with Malenchenko, Williams and Hoshide is scheduled for 8:40 a.m. local time on Sunday, July 15. Photo Credit (NASA/Carla Cioffi)

The first U.S. astronauts who will fly on American-made, commercial spacecraft to and from the International Space Station, wave after being announced, Friday, Aug. 3, 2018 at NASA's Johnson Space Center in Houston, Texas. The astronauts are, from left to right: Victor Glover, Mike Hopkins, Bob Behnken, Doug Hurley, Nicole Aunapu Mann, Chris Ferguson, Eric Boe, Josh Cassada, and Suni Williams. The agency assigned the nine astronauts to crew the first flight tests and missions of the Boeing CST-100 Starliner and SpaceX Crew Dragon. Photo Credit: (NASA/Bill Ingalls)

Nine U.S. astronauts selected for commercial crew flight assignments are directed for a group photograph by NASA photographer Robert Markowitz on Aug. 2, 2018 ahead of the announcement Aug. 3, at NASA’s Johnson Space Center in Houston, Texas. From left NASA astronauts Suni Williams, Josh Cassada, Eric Boe, Nicole Mann, Boeing astronaut Chris Ferguson, NASA astronauts Doug Hurley, Bob Behnken, Mike Hopkins and Victor Glover were assigned to the first test flights and operational missions for Boeing’s CST-100 Starliner and SpaceX’s Crew Dragon. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Jim Bridenstine, far right, talks to astronauts assigned to crew the first flight tests and missions of the Boeing CST-100 Starliner and SpaceX Crew Dragon, Friday, Aug. 3, 2018 at NASA’s Johnson Space Center in Houston, Texas. Astronauts Bob Behnken, left, Victor Glover, Doug Hurley, and Mike Hopkins will fly SpaceX's Crew Dragon flights, and astronauts Eric Boe, Suni Williams, Chris Ferguson, Josh Cassada, and Nicole Aunapu Mann, right, will fly on Boeing's CST-100 Starliner. Photo Credit: (NASA/Bill Ingalls)

The first U.S. astronauts who will fly on American-made, commercial spacecraft to and from the International Space Station, wave after being announced, Friday, Aug. 3, 2018 at NASA's Johnson Space Center in Houston, Texas. Astronauts Bob Behnken, left, Victor Glover, Doug Hurley, and Mike Hopkins will fly SpaceX's Crew Dragon flights, and astronauts Eric Boe, Suni Williams, Chris Ferguson, Josh Cassada, and Nicole Aunapu Mann, right, will fly on Boeing's CST-100 Starliner. Photo Credit: (NASA/Bill Ingalls)

Ignacio Mas, Giovanni Minetti, Phelps Williams, Mike Rasay, Paul Mahacek, Chris Kitts (all from Santa Clara University) and Karolyn Ronzono, NASA Ames at GeneSat tracking dish at Stanford University in Northern California

NASA Administrator Jim Bridenstine, NASA Deputy Administrator Jim Morhard, Kennedy Space Center Director Bob Cabana, and NASA Astronauts Josh Cassada and Suni Williams, who are assigned to Boeing’s first operation flight of Starliner, and NASA astronauts Nicole Mann, Michael Fincke, and Boeing astronaut Chris Ferguson, who are assigned to Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019 at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine, NASA Deputy Administrator Jim Morhard, Kennedy Space Center Director Bob Cabana, and NASA Astronauts Josh Cassada and Suni Williams, who are assigned to Boeing’s first operation flight of Starliner, and NASA astronauts Nicole Mann, Michael Fincke, and Boeing astronaut Chris Ferguson, who are assigned to Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019, at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine, NASA Deputy Administrator Jim Morhard, Kennedy Space Center Director Bob Cabana, and NASA Astronauts Josh Cassada and Suni Williams, who are assigned to Boeing’s first operation flight of Starliner, and NASA astronauts Nicole Mann, Michael Fincke, and Boeing astronaut Chris Ferguson, who are assigned to Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019, at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

jsc2024e074733 (Nov. 13, 2025) --- The crew members launching aboard the Soyuz MS-28 spacecraft in November pose for a photo after a training session at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas. The trio will launch to the International Space Station and join Expedition 74. From left: Roscosmos cosmonauts Sergei Mikaev and Sergey Kud-Sverchkov, and NASA astronaut Chris Williams.

jsc2024e074729 (Nov. 13, 2024) --- The crew members of the International Space Station’s Expedition 74 crew pose for a group photo after a training session at the Space Vehicle Mockup Facility at NASA’s Johnson Space Center in Houston, Texas. Back row from left, Kimiya Yui, Oleg Platonov, Sergei Mikaev, and Sergey Kud-Sverchkov. Front row from left: Zena Cardman, Mike Fincke, and Chris Williams.

iss074-s-002 (Oct. 16, 2024) --- The official portrait of the Expedition 74 crew on the International Space Station. Top row from left, Commander Mike Fincke and Flight Engineer Zena Cardman, both NASA astronauts, JAXA (Japan Aerospace Exploration Agency) Flight Engineer Kimiya Yui, and Roscosmos Flight Engineer Oleg Platonov. Bottom row, Roscosmos Flight Engineer Sergey Kud-Sverchkov, NASA astronaut Chris Williams, and Roscosmos Flight Engineer Sergei Mikaev.

NASA team members arrive at the Krayniy Airport in Baikonur, Kazakhstan in advance of the launch of Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev Sunday, Nov. 23, 2025. Williams, Kud-Sverchkov, and Mikaev are scheduled to launch to the International Space Station on November 27. Photo Credit: (NASA/Bill Ingalls)

Roscosmos cosmonaut Sergey Kud-Sverchkov signs a mural at the Cosmonaut Hotel prior to departing for suit-up and launch on a Soyuz rocket with fellow crewmates NASA astronaut Chris Williams, and Roscosmos cosmonaut Sergei Mikaev, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Roscosmos cosmonaut Sergey Kud-Sverchkov waves farewell, as he and fellow crewmembers, Roscosmos cosmonaut Sergei Mikaev, and NASA astronaut Chris Williams, depart the Cosmonaut Hotel to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Roscosmos cosmonaut Sergei Mikaev waves farewell, as he and fellow crewmembers, Roscosmos cosmonaut Sergey Kud-Sverchkov, and NASA astronaut Chris Williams, depart the Cosmonaut Hotel to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Roscosmos cosmonaut Sergei Mikaev signs a mural at the Cosmonaut Hotel prior to departing for suit-up and launch on a Soyuz rocket with fellow crewmates NASA astronaut Chris Williams, and Roscosmos cosmonaut Sergey Kud-Sverchkov, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

The bus carrying Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev, departs the Cosmonaut Hotel to building 254 for the trio to suit-up for their Soyuz launch, Thursday, Nov. 27, 2025, in Baikonur, Kazakhstan. The launch will send Williams, Kud-Sverchkov and Mikaev, on a mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

jsc2018e067952 (Aug. 2, 2018) --- NASA astronauts (from left) Nicole Mann, Josh Cassada, Eric Boe and Suni Williams pose with Boeing astronaut Chris Ferguson (far right) for a portrait in front of the Boeing CST-100 Starliner Commercial Crew vehicle mock up at NASA's Johnson Space Center in Houston, Texas.

iss073e1196724 (Nov. 27, 2025) --- The Soyuz MS-28 crew spacecraft carrying NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev approaches the International Space Station. Both spacecraft were orbiting 262 miles above the hot desert landscape of Western Sahara at the time of this photograph.

iss073e1196761 (Nov. 27, 2025) --- The Soyuz MS-28 crew spacecraft carrying NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev approaches the International Space Station. Both spacecraft were orbiting 263 miles above the mountainous region in southern Morocco at the time of this photograph.

iss073e1196703 (Nov. 27, 2025) --- The Soyuz MS-28 crew spacecraft carrying NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev approaches the International Space Station. Both spacecraft were orbiting 262 miles above the hot desert landscape of Western Sahara at the time of this photograph.

iss073e1196741 (Nov. 27, 2025) --- The Soyuz MS-28 crew spacecraft carrying NASA astronaut Chris WIlliams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev approaches the International Space Station. Both spacecraft were orbiting 263 miles above the mountainous region in southern Morocco at the time of this photograph.

iss073e1196772 (Nov. 27, 2025) --- The Soyuz MS-28 crew spacecraft carrying NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev approaches the International Space Station. Both spacecraft were orbiting 263 miles above the mountainous region in southern Morocco at the time of this photograph.

iss073e1196695 (Nov. 27, 2025) --- The Soyuz MS-28 crew spacecraft carrying NASA astronaut Chris WIlliams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev approaches the International Space Station. Both spacecraft were orbiting 262 miles above the Atlantic coast of Western Sahara at the time of this photograph.

Roscosmos cosmonaut Sergei Mikaevis helped into his Russian Sokol suit as he and fellow crewmates, NASA astronaut Chris Williams, and Roscosmos cosmonaut Sergey Kud-Sverchkov, prepare for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/GCTC/Pavel Shvets)