This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows the service structure as it is lifted into position around the Soyuz rocket, at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows the service structure as it is lifted into position around the Soyuz rocket, at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows the service structure as it is lifted into position around the Soyuz rocket, at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows the service structure as it is lifted into position around the Soyuz rocket, at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows the service structure as it is lifted into position around the Soyuz rocket, at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows the service structure as it is lifted into position around the Soyuz rocket, at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows the service structure as it is lifted into position around the Soyuz rocket, at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released on April 6, 2021 by the Russian Space Agency Roscosmos shows a view of the Soyuz rocket, as the service structure is lifted into position at site 31 of the Baikonur Cosmodrome in Kazakhstan. - Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft to ISS on April 9, 2021. (Photo by Handout / Russian Space Agency Roscosmos / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian space agency Roscosmos " - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Tuesday, April 6, 2021, at the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

The service structure is lifted into position around the Soyuz rocket, Tuesday, April 6, 2021, at site 31 of the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

The service structure is lifted into position around the Soyuz rocket, Tuesday, April 6, 2021, at site 31 of the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

The Soyuz rocket is raised vertical after having rolled out by train to the launch pad at Site 31, Tuesday, April 6, 2021, at the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Tuesday, April 6, 2021, at the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

Expedition 65 backup crew members Oleg Artemyev, left, and Anton Shkaplerov of Roscosmos, and NASA astronaut Anne McClain, right, pose for a photograph as the Soyuz rocket is rolled out by train to the launch pad at Site 31, Tuesday, April 6, 2021, at the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Tuesday, April 6, 2021, at the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

The Soyuz rocket is rolled out by train to the launch pad at Site 31, Tuesday, April 6, 2021, at the Baikonur Cosmodrome in Kazakhstan. Expedition 65 NASA astronaut Mark Vande Hei, Roscosmos cosmonauts Pyotr Dubrov and Oleg Novitskiy are scheduled to launch aboard their Soyuz MS-18 spacecraft on April 9. Photo by Bill Ingalls / NASA via CNP/ABACAPRESS.COM

Expedition 65 backup crew member, Anne McClain of NASA, is seen during 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: (NASA/GCTC/Andrey Shelepin) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.

Expedition 65 backup crew members Russian cosmonaut Oleg Artemyev of Roscosmos, left, Russian cosmonaut Anton Shkaplerov of Roscosmos, center, and NASA astronaut Anne McClain, pose for a photo during 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: (NASA/GCTC/Irina Spector) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.

Expedition 65 crew members Russian cosmonaut Pyotr Dubrov of Roscosmos, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and NASA astronaut Mark Vande Hei, pose for a photo during qualification exams, Saturday, March 20, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch April 9 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.

Expedition 65 crew member Pyotr Dubrov of Roscosmos, signs in for Soyuz qualification exams Saturday, March 20, 2021 at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of his scheduled launch April 9 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.

Expedition 65 backup crew members NASA astronaut Anne McClain, left, Russian cosmonaut Anton Shkaplerov of Roscosmos, center, and Russian cosmonaut Oleg Artemyev of Roscosmos arrive 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: (NASA/GCTC/Andrey Shelepin) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.

Expedition 65 backup crew members NASA astronaut Anne McClain, left, Russian cosmonaut Anton Shkaplerov of Roscosmos, center, and Russian cosmonaut Oleg Artemyev of Roscosmos arrive for Soyuz qualification exams Saturday, March 20, 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: (NASA/GCTC/Andrey Shelepin) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.

Expedition 65 crew members NASA astronaut Mark Vande Hei, left, Russian cosmonaut Oleg Novitskiy of Roscosmos, center, and Russian cosmonaut Pyotr Dubrov of Roscosmos arrive for Soyuz qualification exams Monday, March 22, 2021, at the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, in advance of their scheduled launch April 9 from Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.

Expedition 65 backup crew members NASA astronaut Anne McClain, left, Russian cosmonaut Anton Shkaplerov of Roscosmos, center, and Russian cosmonaut Oleg Artemyev of Roscosmos meet with mission managers during 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: (NASA/GCTC/Irina Spector) Please note: Fees charged by the agency are for the agency's services only, and do not, nor are they intended to, convey to the user any ownership of Copyright or License in the material. The agency does not claim any ownership including but not limited to Copyright or License in the attached material. By publishing this material you expressly agree to indemnify and to hold the agency and its directors, shareholders and employees harmless from any loss, claims, damages, demands, expenses (including legal fees), or any causes of action or allegation against the agency arising out of or connected in any way with publication of the material.