Expedition 52 flight engineers prepare to don their Russian Sokol suits.
nhq201707070003 (July 7, 2017) — Expedition 52 flight engineers Paolo Nespoli of ESA, left, Sergey Ryazanskiy of Roscosmos, and Randy Bresnik of NASA prepare to don their Russian Sokol suits 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)