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 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)

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 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 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 64 crew member Kate Rubins of NASA signs in for Soyuz qualification exams as crew mates Sergey Ryzhikov of Roscosmos, center, and Sergey Kud-Sverchkov 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 crew member Sergey Kud-Sverchkov of Roscosmos signs in for Soyuz qualification exams, as crew mates Kate Rubins of NASA, left and Sergey Ryzhikov 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 crew member Sergey Kud-Sverchkov of Roscosmos arrives for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Sergey Ryzhikov of Roscosmos arrives for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Sergey Ryzhikov of Roscosmos is seen during Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Sergey Kud-Sverchkov of Roscosmos is seen during Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Sergey Kud-Sverchkov of Roscosmos signs in for Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member NASA astronaut Kate Rubins, signs in for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of her scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew members Sergey Ryzhikov of Roscosmos, left, and Sergey Kud-Sverchkov of Roscosmos are seen on monitors during the Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member NASA astronaut Kate Rubins, is seen during Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of her scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member NASA astronaut Kate Rubins, arrives for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of her scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Sergey Kud-Sverchkov of Roscosmos is seen during Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Sergey Ryzhikov of Roscosmos is seen during Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Sergey Ryzhikov of Roscosmos signs in for his Soyuz qualification exams as crew mates Kate Rubins of NASA, left, and Sergey Kud-Sverchkov of Roscosmos, right, 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 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos arrive for Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos arrive for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 64 crew members Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and NASA astronaut Kate Rubins, right, pose for a photo 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 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 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos arrive for Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew member Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos signs in for Soyuz qualification exams as NASA astronaut Kate Rubins, left, and Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, 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 crew members Sergey Ryzhikov of Roscosmos, left, Kate Rubins of NASA ,center, and Sergey Kud-Sverchkov of Roscosmos arrive for Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. 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 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 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos arrive for Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov 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, 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 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos wave during Soyuz qualification exams Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. 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 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 crew members Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and NASA astronaut Kate Rubins, pose for a photo during Soyuz qualification exams, Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. 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 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 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos arrive for Soyuz qualification exams Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch October 14 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Irina Spector)

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 64 crew member NASA astronaut Kate Rubins signs in for Soyuz qualification exams as crew mates Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos look on, Wednesday, Sept. 23, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 64 crew members NASA astronaut Kate Rubins, left, Russian cosmonaut Sergey Ryzhikov of Roscosmos, center, and Russian cosmonaut Sergey Kud-Sverchkov 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 crew member NASA astronaut Kate Rubins signs in for Soyuz qualification exams as Russian cosmonaut Sergey Ryzhikov of Roscosmos, left, and Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos look on, Tuesday, Sept. 22, 2020 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/GCTC/Irina Spector)

Expedition 49 NASA astronaut Shane Kimbrough, Russian cosmonauts Sergei Ryzhikov and Andrey Borisenko of Roscosmos are seen on monitors in a control room as they participate in their Soyuz qualification exams, 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 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet prepare for their final qualification exams, Tuesday, Oct. 25, 2016, 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)

Expedition 49 NASA astronaut Shane Kimbrough, Russian cosmonauts Sergei Ryzhikov and Andrey Borisenko of Roscosmos are seen in a photograph outside the Soyuz simulator during 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 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet prepare for their final qualification exams, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

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)

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)

nhq201707070016 (July 7, 2017) --- Expedition 52 crew members are seen on monitors in a control room as they participate in their Soyuz qualification exams, Friday, July 7, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

The Soyuz simulator control room is seen as Expedition 49 NASA astronaut Shane Kimbrough, Russian cosmonauts Sergei Ryzhikov and Andrey Borisenko of Roscosmos participate in 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 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)

Expedition 49 Russian cosmonaut Sergei Ryzhikov of Roscosmos dons his Russian Sokol suit ahead of the Soyuz qualification exams with fellow Russian cosmonaut Andrey Borisenko of Roscosmos and NASA astronaut Shane Kimbrough, 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, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and NASA astronaut Peggy Whitson report to mission managers for their final qualification exams, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq201707070008 (July 7, 2017) --- Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, and Randy Bresnik of NASA answer questions from the press outside the Soyuz simulator ahead of 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)

nhq2017070600114 (July 6, 2017) --- Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, center, and Randy Bresnik of NASA are seen as they start their second to last day of qualification exams, Thursday, July 6, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq201707070013 (July 7, 2017) --- Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, and Randy Bresnik of NASA pose for a photograph outside the Soyuz simulator ahead of 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 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet report to mission managers for their final qualification exams, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq201707070017 (July 7, 2017) --- Expedition 52 flight engineer Randy Bresnik of NASA is seen inside the Soyuz simulator during his final Soyuz qualification exam with fellow Expedition 52 flight engineers Sergey Ryazanskiy of Roscosmos, and Paolo Nespoli of ESA, Friday, July 7, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet walk out from suitup for their final qualification exams, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 backup crew members, NASA astronaut Jack Fisher, left, Russian cosmonaut Fyodor Yurchikhin of Roscosmos, center, and ESA astronaut Paolo Nespoli, left, answer questions from the press ahead of their Soyuz qualification exams, Monday, Oct. 24, 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, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and NASA astronaut Peggy Whitson answer reporter's questions ahead of their final qualification exams, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq2017070600112 (July 6, 2017) --- Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, center, and Randy Bresnik of NASA are seen as they start their second to last day of qualification exams, Thursday, July 6, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 crew members NASA astronaut Peggy Whitson, Russian cosmonaut Oleg Novitskiy of Roscosmos, and ESA astronaut Thomas Pesquet are monitored in a central room during the 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)

nhq201707070005 (July 7, 2017) --- Expedition 52 flight engineers Randy Bresnik of NASA, left, Sergey Ryazanskiy of Roscosmos, center, and Paolo Nespoli of ESA prepare to answer questions from the press outside the Soyuz simulator ahead of their 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 Russian cosmonaut Oleg Novitskiy of Roscosmos smiles as he listens to a reporter's question ahead of the final qualification exams with fellow crew mates NASA astronaut Peggy Whitson and ESA astronaut Thomas Pesquet, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq2017070600121 (July 6, 2017) --- Expedition 52 flight engineer Paolo Nespoli of ESA participates in qualification exams with Expedition 52 flight engineers Randy Bresnik of NASA, and Alexander Misurkin of Roscosmos, Wednesday, July 5, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Beth Weissinger)

Expedition 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet meet with mission managers ahead of their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 ESA astronaut Thomas Pesquet listens to a reporter's question ahead of the final qualification exams with fellow crew mates Russian cosmonaut Oleg Novitskiy of Roscosmos and NASA astronaut Peggy Whitson, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

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 NASA astronaut Peggy Whitson smiles as she listens to a reporter's question ahead of the final qualification exams with fellow crew mates Russian cosmonaut Oleg Novitskiy of Roscosmos and ESA astronaut Thomas Pesquet, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 49 NASA astronaut Shane Kimbrough, left, Russian cosmonaut Sergei Ryzhikov of Roscosmos, center, and Russian cosmonaut Andrey Borisenko of Roscosmos prepare to enter the Soyuz simulator ahead of 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 49 NASA astronaut Shane Kimbrough dons his Russian Sokol suit ahead of the Soyuz qualification exams with Russian cosmonaut Sergei Ryzhikov and Russian cosmonaut Andrey Borisenko of Roscosmos, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 ESA astronaut Thomas Pesquet is seen inside the Soyuz simulator during final qualification exams, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Pesquet, Russian cosmonaut Oleg Novitskiy of Roscosmos, and NASA astronaut Peggy Whitson are scheduled to launch in November 2016. Photo Credit: (NASA/Bill Ingalls)

nhq201707070010 (July 7, 2017) --- Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, and Randy Bresnik of NASA answer questions from the press outside the Soyuz simulator ahead of 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 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet laugh together as they prepare for their final qualification exams, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq2017070600101 (July 6, 2017) --- Expedition 52 backup crew members: Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), left, Alexander Misurkin of Roscosmos, center, and Mark Vande Hei of NASA begin their Soyuz qualification exams, Thursday, July 6, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 ESA astronaut Thomas Pesquet dons his Sokol suit ahead of his final qualification exams with fellow crew mates NASA astronaut Peggy Whitson and Russian cosmonaut Oleg Novitskiy of Roscosmos, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 ESA astronaut Thomas Pesquet dons his Sokol suit ahead of his final qualification exams with fellow crew mates NASA astronaut Peggy Whitson and Russian cosmonaut Oleg Novitskiy of Roscosmos, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 ESA astronaut Thomas Pesquet dons his Sokol suit ahead of his final qualification exams with fellow crew mates NASA astronaut Peggy Whitson and Russian cosmonaut Oleg Novitskiy of Roscosmos, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 Russian cosmonaut Oleg Novitskiy of Roscosmos dons his Sokol suit ahead of his final qualification exams with fellow crew mates NASA astronaut Peggy Whitson and ESA astronaut Thomas Pesquet, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 49 Russian cosmonaut Sergei Ryzhikov of Roscosmos dons his Russian Sokol suit ahead of the Soyuz qualification exams with Russian cosmonaut Sergei Ryzhikov and NASA astronaut Shane Kimbrough, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq2017070600115 (July 6, 2017) --- Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, center, and Randy Bresnik of NASA are seen as they start their second to last day of qualification exams, Thursday, July 6, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq201707070007 (July 7, 2017) --- Expedition 52 flight engineer Paolo Nespoli of ESA listens to questions from the press outside the Soyuz simulator ahead his final Soyuz qualification exam with fellow Expedition 52 flight engineers Sergey Ryazanskiy of Roscosmos, and Randy Bresnik of NASA, Friday, July 7, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 ESA astronaut Thomas Pesquet dons his Sokol suit ahead of his final qualification exams with fellow crew mates NASA astronaut Peggy Whitson and Russian cosmonaut Oleg Novitskiy of Roscosmos, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet are seen ahead of their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Russian Sokol suit gloves are seen as Expedition 49 NASA astronaut Shane Kimbrough, and Russian cosmonauta Sergei Ryzhikov of Roscosmos and Andrey Borisenko of Roscosmos don their Russian Sokol suits ahead of their Soyuz qualification exams, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq2017070600100 (July 6, 2017) --- Expedition 52 backup crew members: Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA), left, Alexander Misurkin of Roscosmos, center, and Mark Vande Hei of NASA begin their Soyuz qualification exams, Thursday, July 6, 2017 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 49 NASA astronaut Shane Kimbrough dons his Russian Sokol suit ahead of the Soyuz qualification exams with Russian cosmonaut Sergei Ryzhikov and Russian cosmonaut Andrey Borisenko of Roscosmos, Wednesday, Aug. 31, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 backup crew members, ESA astronaut Paolo Nespoli, left, Russian Russian cosmonaut Fyodor Yurchikhin of Roscosmos, center, and NASA astronaut Jack Fisher meet with mission managers during their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

nhq2017070600106 (July 6, 2017) --- Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, center, and Randy Bresnik of NASA are seen as they start their second to last day of qualification exams, Thursday, July 6, 2017 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)

Expedition 50 NASA astronaut Peggy Whitson answers a reporter's question as Russian cosmonaut Oleg Novitskiy of Roscosmos looks on, Tuesday, Oct. 25, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Whitman, Novitskiy and ESA astronaut Thomas Pesquet performed their final qualification exams right after talking to the press. Photo Credit: (NASA/Bill Ingalls)

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

Expedition 50 crew members NASA astronaut Peggy Whitson, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and ESA astronaut Thomas Pesquet pose for a group photograph ahead of their Soyuz qualification exams, Monday, Oct. 24, 2016, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia. Photo Credit: (NASA/Bill Ingalls)