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

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

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

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

Expedition 73 crewmembers NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Alexey Zubritskiy and Sergey Ryzhikov and backup crewmembers Sergey Kud-Skverchkov, and Sergey Mikaev of Roscosmos, Chris Williams of NASA, are seen in quarantine, behind glass, as they pose for a picture at the conclusion of a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

Expedition 73 crewmembers NASA astronaut Jonny Kim, left, and Roscosmos cosmonauts Alexey Zubritskiy and Sergey Ryzhikov and backup crewmembers Sergey Kud-Skverchkov, and Sergey Mikaev of Roscosmos, Chris Williams of NASA, are seen in quarantine, behind glass, as they pose for a picture at the conclusion of a press conference, Monday, April 7, 2025 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Kim, Ryzhikov, Zubritskiy are scheduled to launch aboard their Soyuz MS-27 spacecraft on April 8. Photo Credit: (NASA/Joel Kowsky)

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