They probably forgot to pee at their bus tire before launch https://www.atlasobscura.com/articles/why-russian-astronauts-pee-on-a-bus-tire-before-launching-into

They probably forgot to pee at their bus tire before launch https://www.atlasobscura.com/articles/why-russian-astronauts-pee-on-a-bus-tire-before-launching-into-space-and-other-preflight-rituals https://www.atlasobscura.com/articles/why-russian-astronauts...