Expedition 64 Commander Sergey Ryzhikov is pictured affixing a sticker representing his mission inside the International Space Station.
iss064e020876 (Jan. 6, 2021) — Roscosmos cosmonaut and Expedition 64 Commander Sergey Ryzhikov is pictured affixing a sticker representing his mission inside the International Space Station’s Harmony module. Credit: NASA/Roscosmos