NASA International Space Station Expedition 51 Soyuz MS-04 mission backup crew members Russian cosmonaut Sergey Ryazanskiy of Roscosmos (left) and American astronaut Randy Bresnik pose in front of a Soyuz spacecraft training mockup during pre-launch final crew qualification exams at the Gagarin Cosmonaut Training Center March 30, 2017 in Star City, Russia. (photo by Rob Navias /NASA via Planetpix)

---

Size: 5150px × 3863px
Photo credit: © NASA Photo / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 51, astronaut, astronauts, backup, bresnik, center, city, cosmonaut, crew, exams, expedition, exploration, gagarin, horizontal, international, iss, mission, mockup, ms-04, nasa, pose, posing, pre-launch, qualification, randy, roscosmos, russia, russian, ryazanskiy, science, sergey, soyuz, space, spacecraft, spacesuits, star, technology, training