jsc2025e074499 (Jan. 16, 2025) --- Roscosmos cosmonaut and Soyuz MS-28 Flight Engineer Sergey Mikaev poses for a portrait in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia. Credit: GCTC

jsc2025e074498 (Jan. 16, 2025) --- Roscosmos cosmonaut and Soyuz MS-28 Commander Sergey Kud-Sverchkov poses for a portrait in his Sokol launch and entry suit at the Gagarin Cosmonaut Training Center in Star City, Russia. Credit: GCTC

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

JSC2012-E-215387 (9 June 2012) --- NASA astronaut Chris Cassidy (left), Russian cosmonaut Pavel Vinogradov (center) and Russian cosmonaut Alexander Misurkin, all Expedition 33 backup crew members, attired in Russian Sokol launch and entry suits, take a break from training in Star City, Russia to pose for a portrait. Photo credit: Gagarin Cosmonaut Training Center

JSC2012-E-238485 (27 Aug. 2012) --- European Space Agency astronaut Luca Parmitano, Expedition 34 backup crew member, attired in a Russian Sokol launch and entry suit, takes a break from training in Star City, Russia to pose for a portrait. Photo credit: Gagarin Cosmonaut Training Center

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

jsc2019e004063 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Alexey Ovchinin of Roscosmos signs in for the second day of final pre-launch qualification exams Feb. 20 as his crewmate, Nick Hague of NASA looks on. Ovchinin, Hague and Christina Koch of NASA will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004065 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Christina Koch of NASA signs in for the second day of final pre-launch qualification exams Feb. 20. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004064 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Nick Hague of NASA signs in for the second day of final pre-launch qualification exams Feb. 20. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004066 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Nick Hague of NASA answers reporters’ questions Feb. 20 during the second day of final pre-launch qualification exams. Hague, Christina Koch of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

S96-13233 (July 1996) --- Cosmonaut Valeri G. Korzun egresses a trainer at the Yuri Gagarin Cosmonaut Training Center in Russia. Korzun is Mir-24 commander. EDITOR'S NOTE: Since this photograph was taken cosmonauts Korzun and Aleksandr Y. Kaleri were named to replace the original Mir-22 crew. Along with French spationaut Claudie desHayes, the two joined NASA astronaut Shannon W. Lucid onboard the Mir space station in August.

jsc2019e004068 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew member Christina Koch of NASA listens to reporters’ questions in front of a Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. Koch, Nick Hague of NASA and Alexey Ovchinin of Roscosmos will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004062 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004056 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures in front of their Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004067 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmembers Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) listen to reporters’ questions in front of their Soyuz spacecraft simulator Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

jsc2019e004061 (Feb. 20, 2019) --- At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crew members Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) report to Russian space officials Feb. 20 during the second day of final pre-launch qualifications exams. They will launch March 14, U.S. time, in the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Credit: NASA/Beth Weissinger

Expedition 52 flight engineers Sergey Ryazanskiy of Roscosmos, seated left, and Randy Bresnik of NASA are seen as they sign a guest book at the "Memorial working study of Yuri Gagarin" at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 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/Bill Ingalls)

Expedition 52 flight engineers Sergey Ryazanskiy of Roscosmos, seated left, and Randy Bresnik of NASA are seen as they sign a guest book at the "Memorial working study of Yuri Gagarin" at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 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/Bill Ingalls)

Expedition 52 flight engineers Sergey Ryazanskiy of Roscosmos, seated left, and Randy Bresnik of NASA are seen as they sign a guest book at the "Memorial working study of Yuri Gagarin" at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 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/Bill Ingalls)

jsc2023e052795 (April 20, 2023) --- Roscosmos cosmonaut and Soyuz MS-26 Commander Alexey Ovchinin poses for a crew portrait at the Gagarin Cosmonaut Training Center. Credit: GCTC/Andrey Shelepin

International Space Station mockup training modules are seen at the Gagarin Cosmonaut Training Center, Monday, April 23, 2012 in Star City, Russia. Expedition 31 prime and backup crew members train in these moduls in preparation for final flight to the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Family of Expedition 65 prime crew member, Russian cosmonaut Oleg Novitskiy of Roscosmos, bids him farewell prior to his departure to Baikonur for launch from the Baikonur Cosmodrome, Friday, March 26, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

The Soyuz simulator is seen as Expedition 49 NASA astronaut Shane Kimbrough, Russian cosmonauts Sergei Ryzhikov and Andrey Borisenko of Roscosmos, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

The interior of the Soyuz simulator is seen as Expedition 49 NASA astronaut Shane Kimbrough, Russian cosmonauts Sergei Ryzhikov and Andrey Borisenko of Roscosmos take their Soyuz qualification exams, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 prime crew member, Russian cosmonaut Pyotr Dubrov of Roscosmos, boards the bus that will take him to his flight to Baikonur for launch from the Baikonur Cosmodrome, Friday, March 26, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

A Soyuz TMA spacecraft mockup is seen at the Gagarin Cosmonaut Training Center, Monday, April 23, 2012 in Star City, Russia. Expedition 31 prime and backup crew members train in the Soyuz mockup in preparation for final flight to the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 52 flight engineer Paolo Nespoli of ESA signs a guest book at the "Memorial working study of Yuri Gagarin" at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 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/Bill Ingalls)

Director of the Gagarin Cosmonaut Training Center (GCTC), Pavel Vlasov, speaks during Expedition 65 Soyuz qualification exams Saturday, March 20, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Launch of the mission is scheduled for April 9 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Director of the Gagarin Cosmonaut Training Center (GCTC), Pavel Vlasov, is seen during Expedition 65 Soyuz qualification exams Saturday, March 20, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Launch of the mission is scheduled for April 9 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

nhq201707070002 (July 7, 2017) --- Flags representing the United States, Russia, Italy, NASA, ESA, and the Roscosmos Gagarin Cosmonaut Training Center (GCTC) are seen on table during the Expedition 52 Soyuz qualification exams, Friday, July 7, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 crew member NASA astronaut Peggy Whitson is seen inside an International Space Station module mockup during her crew's Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

A painting of Yuri Gagarin is seen in the lobby of the building where the Expedition 52 prime and backup crews held a crew press conference on the grounds of the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet pose for a group photograph at the conclusion of a press conference, Wednesday, Oct. 26, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 prime crew member Russian cosmonaut Pyotr Dubrov of Roscosmos waves during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 65 backup crew member Russian cosmonaut Oleg Artemyev of Roscosmos is seen during a press conference prior to the prime crew’s launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 65 backup crew member Russian cosmonaut Oleg Artemyev speaks during a press conference prior to the prime crew’s launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 65 prime crew member Russian cosmonaut Oleg Novitskiy of Roscosmos is seen during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 65 backup crew member Russian cosmonaut Anton Shkaplerov of Roscosmos waves during a press conference prior to the prime crew’s launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 65 prime crew member Russian cosmonaut Oleg Novitskiy of Roscosmos waves during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 65 backup crew member Russian cosmonaut Anton Shkaplerov of Roscosmos speaks during a press conference prior to the prime crew’s launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 65 prime crew member Russian cosmonaut Pyotr Dubrov of Roscosmos is seen during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 65 prime crew member Russian cosmonaut Pyotr Dubrov of Roscosmos speaks during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 49 Russian cosmonaut Andrey Borisenko of Roscosmos is seen during the Soyuz qualification exams, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

From left to right, Expedition 65 prime crew members, NASA astronaut Mark Vande Hei, Russian cosmonaut Oleg Novitskiy of Roscosmos, Russian cosmonaut Pyotr Dubrov of Roscosmos, and Expedition 65 backup crew members Russian cosmonaut Anton Shkaplerov of Roscosmos, NASA astronaut Anne McClain, and Russian cosmonaut Oleg Artemyev of Roscosmos, pose for a photo after a press conference prior to the prime team’s launch from Baikonur Cosmodrome, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Engineers in a nearby control room monitor Expedition 50 crew members ESA astronaut Thomas Pesquet, Russian cosmonaut Oleg Novitskiy of Roscosmos, and NASA astronaut Peggy Whitson as they perform their final qualification exams in a Soyuz simulator, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 backup crew member, NASA astronaut Jack Fisher, dons his Sokol suit ahead of his Soyuz qualification exams with Russian cosmonaut Fyodor Yurchikhin, and ESA astronaut Paolo Nespoli, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 prime crew member, Russian cosmonaut Oleg Novitskiy of Roscosmos, waves goodbye during an official farewell ceremony prior to his departure to Baikonur for launch from the Baikonur Cosmodrome, Friday, March 26, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 49 NASA astronaut Shane Kimbrough's photograph is seen on a television monitor in the hallway of the Soyuz Simulation Facility as he and Russian cosmonauts Sergei Ryzhikov and Andrey Borisenko of Roscosmos take their final Soyuz qualification exams, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 crew members ESA astronaut Thomas Pesquet, Russian cosmonaut Oleg Novitskiy of Roscosmos, and NASA astronaut Peggy Whitson conduct their final qualification exams inside a Soyuz simulator, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 backup crew member, NASA astronaut Jack Fisher, dons his Sokol suit ahead of his Soyuz qualification exams with Russian cosmonaut Fyodor Yurchikhin, and ESA astronaut Paolo Nespoli, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

At the Gagarin Museum in the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 59 crewmembers Christina Koch of NASA (left), Alexey Ovchinin of Roscosmos (center) and Nick Hague of NASA (right) pose for pictures Feb. 21 following a pre-launch news conference. They will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan for a six-and-a-half month mission on the International Space Station. Irina Spektor/Gagarin Cosmonaut Training Center

NASA flight engineer Joe Acaba is seen training in a mockup of the International Space Station Zvezda service module, Monday, April 23, 2012 at the Gagarin Cosmonaut Training Center in Star City, Russia. Acaba, Soyuz commander Gennady Padalk and flight engineer Sergei Revin are set to launch May 15 from the Baikonur Cosmodrome in their Soyuz TMA-04M spacecraft to the International Space Station. Photo Credit: (NASA/Carla Cioffi)

The Expedition 43 Cosmonaut Gennady Padalka of the Russian Federal Space Agency (Roscosmos), talks with friends and family as he waits for fellow crew mates, NASA Astronaut Scott Kelly, and, Russian Cosmonaut Mikhail Kornienko of Roscosmos, ahead of their departure from the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia for Baikonur, Kazakhstan, Saturday, March 14, 2015. The trio is preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Expedition 43 Cosmonaut Mikhail Kornienko of the Russian Federal Space Agency (Roscosmos), waves out a window to fellow crew mates, NASA Astronaut Scott Kelly, and, Russian Cosmonaut Gennady Padalka of Roscosmos, as they prepare to depart the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia for Baikonur, Kazakhstan, Saturday, March 14, 2015, Star City, Russia. The trio is preparing for launch to the International Space Station in their Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan March 28, Kazakh time. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. Photo Credit: (NASA/Bill Ingalls)

Friends, family, NASA, Gagarin Cosmonaut Training Center (GCTC), and Roscosmos staff join in for a photo with Expedition 65 prime and backup crew members during an official farewell ceremony prior to their departure to Baikonur for the prime crew’s launch from the Baikonur Cosmodrome, Friday, March 26, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 65 prime crew members, NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Pyotr Dubrov of Roscosmos, right, pose for a photo during an official farewell ceremony prior to their departure to Baikonur for launch from the Baikonur Cosmodrome, Friday, March 26, 2021, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 65 prime crew members, NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Pyotr Dubrov of Roscosmos, right, pose for a photo during an official farewell ceremony prior to their departure to Baikonur for launch from the Baikonur Cosmodrome, Friday, March 26, 2021, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 52 flight engineer Randy Bresnik of NASA is seen during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 backup crew member NASA astronaut Anne McClain, speaks during a press conference prior to the prime crew’s launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 crew member Sergey Ryzhikov of Roscosmos signs in for Soyuz qualification exams as crew mate Sergey Kud-Sverchkov of Roscosmos looks on, Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 52 backup crew member Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) is seen during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 prime crew member, NASA astronaut Mark Vande Hei, waves goodbye after boarding the bus to his flight to Baikonur for launch from the Baikonur Cosmodrome, Friday, March 26, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

nhq2017070600117 (July 6, 2017) --- Expedition 52 flight engineer Randy Bresnik of NASA demonstrates the width inside a Soyuz simulator, Thursday, July 6, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 64 backup crew member Oleg Novitskiy 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 65 backup crew member NASA astronaut Anne McClain speaks during a press conference prior to the prime crew’s launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 52 backup crew member Mark Vande Hei of NASA is seen during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq2017070600116 (July 6, 2017) --- Expedition 52 flight engineer Randy Bresnik of NASA is seen inside a Soyuz simulator, Thursday, July 6, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 prime crew member NASA astronaut Mark Vande Hei, speaks during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 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 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 65 prime crew member NASA astronaut Mark Vande Hei, waves during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime crew member Sergey Ryzhikov of Roscosmos, speaks during a press conference prior to his 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 65 prime crew member NASA astronaut Mark Vande Hei, is seen during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime crew member Sergey Kud-Sverchkov speaks during a press conference prior to his 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 52 flight engineer Sergey Ryazanskiy of Roscosmos is seen during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 31 backup crew member Oleg Novitskiy, foreground, and Kevin Ford head towards a Soyuz spacecraft mockup to conduct final simulation tests in preparation for flight, Monday, April 23, 2012 at the Gagarin Cosmonaut Training Center in Star City, Russia. Photo Credit: (NASA/Carla Cioffi)

Expedition 64 backup crew member Oleg Novitskiy 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)

nhq201707070001 (July 7, 2017) --- A bulletin board outlines the Expedition 52 prime and backup crew members Soyuz qualification exams, Friday, July 7, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 backup crew member NASA astronaut Anne McClain waves during a press conference prior to the prime crew’s launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime crew member Sergey Kud-Sverchkov of Roscosmos is seen during a press conference prior to his launch from the Baikonur Cosmodrome, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 52 flight engineer Randy Bresnik of NASA answers a reporter's question during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 64 backup crew member, Oleg Novitskiy of Roscosmos is seen at the conclusion of 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 crew member Sergey Ryzhikov of Roscosmos, signs in for Soyuz qualification exams as fellow crew member Sergey Kud-Sverchkov of Roscosmos looks on, Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 prime crew member NASA astronaut Kate Rubins is seen during a press conference prior to her launch from the Baikonur Cosmodrome, Thursday, Sept. 24, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 52 flight engineer Randy Bresnik of NASA answers a reporter's question during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 52 flight engineer Randy Bresnik of NASA answers a reporter's question during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Sergei Krikalev, Director of the Gagarin Cosmonaut Training Center, answers a reporter's question, Monday, April 23, 2012 in Star City, Russia. Krikalev is joined by Oleg Kotov, Deputy Director, GCTC. Photo Credit: (NASA/Carla Cioffi)

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)

A bulletin board is seen with details about the qualification exams of the main and back-up crews for Expedition 50, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq201707070019 (July 7, 2017) --- Expedition 52 flight engineers Sergey Ryazanskiy of Roscosmos, Randy Bresnik of NASA, and Paolo Nespoli of ESA are in the Soyuz simulator for their final Soyuz qualification exam, Friday, July 7, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

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 prime crew member Sergey Kud-Sverchkov of Roscosmos, waves during a press conference prior to his 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 backup crew members NASA astronaut Mark Vande Hei, 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 6 International Space Station Science Officer Don Pettit speaks during a press conference at the Gagarin Cosmonaut Training Center in Star City, Russia, Thursday, May 6, 2003. Photo Credit: (NASA/Bill Ingalls)

Expedition 52 flight engineer Sergey Ryazanskiy of Roscosmos answers a reporter's question during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 64 backup crew member, NASA astronaut Mark Vande Hei, is seen at the conclusion of 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 52 backup crew member Alexander Misurkin of Roscosmos is seen during a crew press conference at the Gagarin Cosmonaut Training Center (GCTC), Monday, July 10, 2017 in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 65 prime crew member NASA astronaut Mark Vande Hei, is seen during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 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, speaks 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 65 prime crew member NASA astronaut Mark Vande Hei, speaks during a press conference prior to his launch from the Baikonur Cosmodrome in Kazakhstan, Wednesday, March 24, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 65 backup crew member, Anne McClain of NASA signs in for Soyuz qualification exams Monday, March 22, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of the Expedition 65 launch April 9 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (GCTC/Andrey Shelepin)