NASA astronaut Kate Rubins signs a guest book

nhq202009240023 (Sept. 24, 2020) — Expedition 64 prime crew member NASA astronaut Kate Rubins signs a guest book at the “Memorial working study of Yuri Gagarin” at the Gagarin Cosmonaut Training Center (GCTC), as her crew mates watch, Thursday, Sept. 24, 2020 in Star City, Russia. The memorial study represents Gagarin’s working study in the way it was abandoned by Gagarin on March 27, 1968 before leaving for the airfield for training flight that became his last. Photo Credit: (NASA/GCTC/Andrey Shelepin)