Expedition 64 backup crew member NASA astronaut Mark Vande Hei.
Expedition 64 backup crew members during Soyuz qualification exams.
Expedition 64 backup crew members during Soyuz qualification exams.
Expedition 64 crew members arrive for Soyuz qualification exams.
NASA astronaut Kate Rubins arrives for Soyuz qualification exams.
Expedition 64 crew member Sergey Ryzhikov of Roscosmos.
Expedition 64 crew members wave during Soyuz qualification exams.
Expedition 64 crew member Sergey Kud-Sverchkov of Roscosmos.
Sergey Ryzhikov of Roscosmos signs in for Soyuz qualification exams.
NASA astronaut Kate Rubins signs in for Soyuz qualification exams.
