
Expedition 64 backup crew member, Petr Dubrov of Roscosmos lays flowers at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Thursday, Sept. 24, 2020 at Red Square in Moscow. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew member Petr Dubrov of Roscosmos speaks to Mark Vande Hei of NASA during a press conference, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew member Petr Dubrov of Roscosmos is seen during a press conference, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew member Petr Dubrov of Roscosmos arrives for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members Russian cosmonaut Petr Dubrov of Roscosmos, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and NASA astronaut Mark Vande Hei, greet Russian officials after arriving in Baikonur, Kazakhstan from the Gagarin Cosmonaut Training Center, Sunday, Sept. 27, 2020. The prime crew is scheduled to launch from the Baikonur Cosmosdrome on a Soyuz rocket October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew member Petr Dubrov of Roscosmos is seen as he climbs inside the Soyuz MS-17 spacecraft during the final fit check, Wednesday, Oct. 7, 2020, at the Baikonur Cosmodrome in Kazakhstan. Expedition 64 Soyuz commander Sergey Ryzhikov of Roscosmos, flight engineer Sergey Kud-Sverchkov of Roscosmos, and flight engineer Kate Rubins of NASA, are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos, pose for a photo at the bus after arriving in Baikonur, Kazakhstan from the Gagarin Cosmonaut Training Center, Sunday, Sept. 27, 2020. The prime crew is scheduled to launch from the Baikonur Cosmosdrome on a Soyuz rocket October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew member Petr Dubrov of Roscosmos is seen in quarantine, behind glass, during a press conference, Tuesday, Oct. 13, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 64 prime crew members Kate Rubins of NASA, and Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members Russian cosmonaut Petr Dubrov of Roscosmos, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and NASA astronaut Mark Vande Hei, arrive in Baikonur, Kazakhstan from the Gagarin Cosmonaut Training Center, Sunday, Sept. 27, 2020. The prime crew is scheduled to launch from the Baikonur Cosmosdrome on a Soyuz rocket October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew member Petr Dubrov of Roscosmos plays a game of Chess, Tuesday, Oct. 6, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. The Expedition 64 prime crew of Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos, and NASA astronaut Kate Rubins, are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 74 backup crew member Petr Dubrov of Roscosmos 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)

Expedition 64 backup crew members Petr Dubrov, left, and Oleg Novitskiy, center, of Roscosmos, and Mark Vande Hei of NASA, right, are seen in quarantine, behind glass, during a press conference, Tuesday, Oct. 13, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 64 prime crew members Kate Rubins of NASA, and Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 74 backup crewmembers: Anil Menon of NASA, background, Roscosmos cosmonauts Petr Dubrov, and Anna Kikina, foreground, are seen behind glass as the prime crew has their Russian Sokol suits pressure checked for their Soyuz launch to the International Space Station Thursday, Nov. 27, 2025 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 74 backup crew members Anil Menon of NASA, left, and Roscosmos cosmonauts Petr Dubrov, and Anna Kikina 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)

Expedition 74 backup crew members Anil Menon of NASA, left, and Roscosmos cosmonauts Petr Dubrov, and Anna Kikina, 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)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, and Russian cosmonauts Oleg Novitskiy, center, and Petr Dubrov, right, of Roscosmos review launch procedures with trainers, Tuesday, Oct. 6, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 64 prime crew members Sergey Ryzhikov of Roscosmos, Sergey Kud-Sverchkov of Roscosmos, and Kate Rubins of NASA, are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, and Russian cosmonauts Oleg Novitskiy, center, and Petr Dubrov, right, of Roscosmos practice rendezvous techniques on a laptop simulator, Tuesday, Oct. 6, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. Expedition 64 prime crew members Sergey Ryzhikov of Roscosmos, Sergey Kud-Sverchkov of Roscosmos, and Kate Rubins of NASA, are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members Petr Dubrov, left, and Oleg Novitskiy of Roscosmos, center, and Mark Vande Hei of NASA, right, pose for a picture during the Soyuz MS-17 spacecraft fit check, Wednesday, Oct. 7, 2020, at the Baikonur Cosmodrome in Kazakhstan. Expedition 64 Soyuz commander Sergey Ryzhikov of Roscosmos, flight engineer Sergey Kud-Sverchkov of Roscosmos, and flight engineer Kate Rubins of NASA, are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, and Russian cosmonauts Oleg Novitskiy, center, and Petr Dubrov, right, of Roscosmos take a moment during the Soyuz MS-17 spacecraft fit check to pose for a photograph, Monday, Sept. 28, 2020, at the Baikonur Cosmodrome in Kazakhstan. The prime crew members Russian cosmonauts Sergey Ryzhikov, Sergey Kud-Sverchkov of Roscosmos, and NASA astronaut Kate Rubins are preparing for launch to the International Space Station in their Soyuz MS-17 spacecraft from the Baikonur Cosmodrome in Kazakhstan on October 14, Baikonur time. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos arrive for Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew member Oleg Novitskiy of Roscosmos signs in for Soyuz qualification exams while NASA astronaut Mark Vande Hei, left, and Russian cosmonaut Petr Dubrov of Roscosmos, right, look on, Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos arrive for Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos wave during Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew member Mark Vande Hei of NASA signs in for his Soyuz qualification exams as crew mates Oleg Novitskiy of Roscosmos, left, and Petr Dubrov of Roscosmos look on, Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos arrive for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos, meet with mission managers ahead of their Soyuz qualification exams, Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos pose for a photo during qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew member Oleg Novitskiy of Roscosmos signs in for his Soyuz qualification exams as crew mates Mark Vande Hei of NASA, left, and Petr Dubrov of Roscosmos look on, Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew member Petr Dubrov of Roscosmos signs in for his Soyuz qualification exams as crew mates Mark Vande Hei of NASA, left, and Oleg Novitskiy of Roscosmos look on, Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos pose for a photo during qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 74 backup crew members: Anil Menon of NASA, left, Petr Dubrov, and Anna Kikina of Roscosmos, right, pose for a photograph as the Soyuz rocket is rolled out by train to the launch pad, Monday, Nov. 24, 2025, at Site 31 of the Baikonur Cosmodrome in Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

Expedition 74 backup crew members: Anna Kikina of Roscosmos, left, Petr Dubrov of Roscosmos, and Anil Menon of NASA, right, watch as the Soyuz rocket is rolled out by train to the launch pad, Monday, Nov. 24, 2025, at Site 31 of the Baikonur Cosmodrome in Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

Expedition 74 backup crew members: Anil Menon of NASA, Petr Dubrov and Anna Kikina of Roscosmos, watch as the Soyuz rocket is rolled out by train to the launch pad, Monday, Nov. 24, 2025, at Site 31 of the Baikonur Cosmodrome in Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

Expedition 74 backup crew members: Anil Menon of NASA, left, Petr Dubrov, and Anna Kikina of Roscosmos, right, pose for a photograph as the Soyuz rocket is rolled out by train to the launch pad, Monday, Nov. 24, 2025, at Site 31 of the Baikonur Cosmodrome in Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. Photo Credit: (NASA/Bill Ingalls)

jsc2020e036115 - Exp-64 Back Up Crew - Individual GCTC Portraits - Petr Dubrov

jsc2020e036117 - Exp-64 Back Up Crew - GCTC Portrait - Mark Vande Hei, Oleg Novitskiy, Petr Dubrov

From left to right, Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos and Expedition 64 backup crew members, Russian cosmonaut Petr Dubrov of Roscosmos (right), NASA astronaut Mark Vande Hei, and Russian cosmonaut Oleg Novitskiy of Roscosmos, visit Red Square to lay flowers at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Thursday, Sept. 24, 2020 in Moscow. Photo Credit: (NASA/GCTC/Irina Spector)

From left to right, Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Ryzhikov of Roscosmos, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos and Expedition 64 backup crew members, NASA astronaut Mark Vande Hei, Russian cosmonaut Oleg Novitskiy of Roscosmos, and Russian cosmonaut Petr Dubrov of Roscosmos, pose for a photo in front of the Tsar Bell in Red Square after laying flowers at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Thursday, Sept. 24, 2020 in Moscow. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 prime and backup crew members are seen in quarantine, behind glass, during a press conference, Tuesday, Oct. 13, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. From left to right are prime crew members Kate Rubins of NASA, Sergey Ryzhikov of Roscosmos, and Sergey Kud-Sverchkov of Roscosmos, and backup crew members Petr Dubrov of Roscosmos, Oleg Novitskiy of Roscosmos, and Mark Vande Hei of NASA. Rubins, Ryzhikov, and Kud-Sverchkov are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

The Expedition 64 prime and backup crew members pose for a picture next to a replica of a Vostok seat and passenger at the Baikonur Cosmodrome Museum, Wednesday, Oct. 7, 2020, at the Baikonur Cosmodrome in Kazakhstan. From left to right are the prime crew members Kate Rubins of NASA, Sergey Kud-Sverchkov of Roscosmos, and Sergey Ryzhikov of Roscosmos, and backup crew members Oleg Novitskiy of Roscosmos, Petr Dubrov of Roscosmos, and Mark Vande Hei of NASA. Rubins, Kud-Sverchkov, and Ryzhikov are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

From left to right, Expedition 64 backup crew members NASA astronaut Mark Vande Hei, Russian cosmonaut Oleg Novitskiy of Roscosmos, Russian cosmonaut Petr Dubrov of Roscosmos, and Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Ryzhikov of Roscosmos, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos pose for a photo at Red Square after laying flowers at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Thursday, Sept. 24, 2020 in Moscow. Photo Credit: (NASA/GCTC/Irina Spector)

The Expedition 64 prime and backup crew members raise the flags of Russia, the United States, and Kazakhstan, Tuesday, Sept. 29, 2020, in traditional ceremonies outside the Cosmonaut Hotel in Baikonur, Kazakhstan. From left to right are Expedition 64 prime crew members Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos, prime crew member Kate Rubins, and her backup, Mark Vande Hei of NASA, and backup crew members Oleg Novitskiy and Petr Dubrov of Roscosmos. Ryzhikov, Kud-Sverchkov, and Rubins are scheduled to launch in their Soyuz MS-17 spacecraft on October 14 for their mission to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, and Russian cosmonauts Oleg Novitskiy, center, and Petr Dubrov, right, of Roscosmos, take pictures as the Soyuz rocket is rolled out by train to the launch pad at Site 31, Sunday, Oct. 11, 2020, at the Baikonur Cosmodrome in Kazakhstan. Expedition 64 Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos, and NASA astronaut Kate Rubins are scheduled to launch aboard their Soyuz MS-17 spacecraft on Oct. 14 to start a six-month mission onboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime and backup crew members pose for a picture in quarantine, behind glass, following a press conference, Tuesday, Oct. 13, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. From left to right are prime crew members Kate Rubins of NASA, Sergey Kud-Sverchkov of Roscosmos, and Sergey Ryzhikov of Roscosmos, and backup crew members Oleg Novitskiy of Roscosmos, Petr Dubrov of Roscosmos, and Mark Vande Hei of NASA. Rubins, Ryzhikov, and Kud-Sverchkov are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

From left to right, Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Ryzhikov of Roscosmos, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos and Expedition 64 backup crew members, NASA astronaut Mark Vande Hei, Russian cosmonaut Oleg Novitskiy of Roscosmos, and Russian cosmonaut Petr Dubrov of Roscosmos, pose for a photo in front of the Tsar Cannon in Red Square after laying flowers at the site where Russian space icons are interred as part of traditional pre-launch ceremonies, Thursday, Sept. 24, 2020 in Moscow. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, and Russian cosmonauts Oleg Novitskiy, center, and Petr Dubrov, right, of Roscosmos, pose for a picture as the Soyuz rocket is rolled out by train to the launch pad at Site 31, Sunday, Oct. 11, 2020, at the Baikonur Cosmodrome in Kazakhstan. Expedition 64 Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos, and NASA astronaut Kate Rubins are scheduled to launch aboard their Soyuz MS-17 spacecraft on Oct. 14 to start a six-month mission onboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup and prime crew members pose for a picture as part of pre-launch activities, Tuesday, Oct. 6, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. From left to right are backup crew members Mark Vande Hei of NASA, Oleg Novitskiy of Roscosmos, Petr Dubrov of Roscosmos, and prime crew members Kate Rubins of NASA, Sergey Ryzhikov of Roscosmos, and Sergey Kud-Sverchkov of Roscosmos. Expedition 64 prime crew members Ryzhikov, Kud-Sverchkov, and Rubins are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime and backup crew members pose for a picture as part of pre-launch activities, Tuesday, Oct. 6, 2020, at the Cosmonaut Hotel in Baikonur, Kazakhstan. From left to right are prime crew members Sergey Kud-Sverchkov of Roscosmos, Sergey Ryzhikov of Roscosmos, and Kate Rubins of NASA, and backup crew members Petr Dubrov of Roscosmos, Oleg Novitskiy of Roscosmos, and Mark Vande Hei of NASA. Expedition 64 prime crew members Ryzhikov, Kud-Sverchkov, and Rubins are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

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)

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)

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)

From left to right, Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, and Russian cosmonaut Sergey Ryzhikov of Roscosmos, and Expedition 64 backup crew members Russian cosmonaut Oleg Novitskiy of Roscosmos, Russian cosmonaut Petr Dubrov of Roscosmos, and NASA astronaut Mark Vande Hei, greet media at a press conference prior to their scheduled launch from the Baikonur Cosmodrome in Kazakhstan, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime crew members, starting third from left, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, and Russian cosmonaut Sergey Ryzhikov of Roscosmos, and Expedition 64 backup crew members Russian cosmonaut Oleg Novitskiy of Roscosmos, Russian cosmonaut Petr Dubrov of Roscosmos, and NASA astronaut Mark Vande Hei, are seen during a press conference prior to the prime crew’s launch from Baikonur Cosmodrome, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

From left to right, Expedition 64 backup crew members, NASA astronaut Mark Vande Hei, Russian cosmonaut Petr Dubrov of Roscosmos, Russian cosmonaut Oleg Novitskiy of Roscosmos and Expedition 64 prime crew members, Russian cosmonaut Sergey Ryzhikov of Roscosmos, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, and NASA astronaut Kate Rubins, pose for a photo after a press conference, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

From left to right, Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, Russian cosmonaut Sergey Ryzhikov of Roscosmos, and Expedition 64 backup crew members Russian cosmonaut Oleg Novitskiy of Roscosmos, Russian cosmonaut Petr Dubrov of Roscosmos, and NASA astronaut Mark Vande Hei, pose for a photo at the conclusion of a press conference prior to the prime crew’s scheduled launch October 14 from the Baikonur Cosmodrome in Kazakhstan, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

From left to right, Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, and Russian cosmonaut Sergey Ryzhikov of Roscosmos, and Expedition 64 backup crew members Russian cosmonaut Oleg Novitskiy of Roscosmos, Russian cosmonaut Petr Dubrov of Roscosmos, and NASA astronaut Mark Vande Hei, are seen during a press conference prior to the prime team’s launch from Baikonur Cosmodrome, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

From left to right, Expedition 64 prime crew members, NASA astronaut Kate Rubins, Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, Russian cosmonaut Sergey Ryzhikov of Roscosmos, and Expedition 64 backup crew members Russian cosmonaut Oleg Novitskiy of Roscosmos, Russian cosmonaut Petr Dubrov of Roscosmos, and NASA astronaut Mark Vande Hei, wave during a press conference prior to the prime crew’s scheduled launch October 14 from the Baikonur Cosmodrome in Kazakhstan, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

The Expedition 64 prime and backup crew members pose for a picture outside of the cottage where Yuri Gagarin slept the night before his historic flight on April 12, 1961 to become the first human in space, Wednesday, Oct. 7, 2020, at the Baikonur Cosmodrome in Kazakhstan. From left to right are the prime crew members Kate Rubins of NASA, Sergey Kud-Sverchkov of Roscosmos, and Sergey Ryzhikov of Roscosmos, and backup crew members Oleg Novitskiy of Roscosmos, Petr Dubrov of Roscosmos, and Mark Vande Hei of NASA. Rubins, Kud-Sverchkov, and Ryzhikov are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime crew members Kate Rubins of NASA, left, Sergey Ryzhikov of Roscosmos, second from left, and Sergey Kud-Sverchkov of Roscosmos, third from left, are seen with backup crew members Petr Dubrov of Roscosmos, third from right, Oleg Novitskiy of Roscosmos, second from right, and Mark Vande Hei of NASA, right, while speaking with officials during the final Soyuz MS-17 spacecraft fit check, Wednesday, Oct. 7, 2020, at the Baikonur Cosmodrome in Kazakhstan. The prime crew of Ryzhikov, Kud-Sverchkov, and Rubins are scheduled to launch to the International Space Station aboard the Soyuz MS-17 spacecraft on October 14. Photo Credit: (NASA/GCTC/Andrey Shelepin)

NASA astronauts Shannon Walker, left, Eric Boe, center, Roscosmos cosmonaut Petr Dubrov, third from right, UAE (United Arab Emirates) Hazzaa Ali Almansoori, second from left, and NASA flight surgeon James Pavela, left, are seen as SpaceX recovery teams perform final checks before opening the hatch of the SpaceX Dragon Endeavour spacecraft aboard the recovery ship MEGAN shortly after it landed with NASA astronauts Stephen Bowen and Warren "Woody" Hoburg, UAE (United Arab Emirates) astronaut Sultan Alneyadi, and Roscosmos cosmonaut Andrey Fedyaev aboard in theAtlantic Ocean off the coast of Jacksonville, Florida, Monday, Sept. 4, 2023. Bowen, Hoburg, Alneyadi, and Fedyaev are returning after nearly six-months in space as part of Expedition 69 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 64 backup crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Petr Dubrov of Roscosmos meet with mission managers ahead of their Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 backup crew member NASA astronaut Mark Vande Hei signs a guest book at the "Memorial working study of Yuri Gagarin" at the Gagarin Cosmonaut Training Center (GCTC), as his crew mates watch, Thursday, Sept. 24, 2020 in Star City, Russia. The memorial study represents Gagarin's working study in the way it was abandoned by Gagarin on March 27, 1968 before leaving for the airfield for training flight that became his last. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime crew member NASA astronaut Kate Rubins signs a guest book at the "Memorial working study of Yuri Gagarin" at the Gagarin Cosmonaut Training Center (GCTC), as her crew mates watch, Thursday, Sept. 24, 2020 in Star City, Russia. The memorial study represents Gagarin's working study in the way it was abandoned by Gagarin on March 27, 1968 before leaving for the airfield for training flight that became his last. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 backup crew member Oleg Novitskiy of Roscosmos, signs a guest book at the "Memorial working study of Yuri Gagarin" at the Gagarin Cosmonaut Training Center (GCTC), as his crew mates watch, Thursday, Sept. 24, 2020 in Star City, Russia. The memorial study represents Gagarin's working study in the way it was abandoned by Gagarin on March 27, 1968 before leaving for the airfield for training flight that became his last. Photo Credit: (NASA/GCTC/Andrey Shelepin)