Roscosmos spacewalkers Sergey Prokopyev and Dmitri Petelin worked outside the International Space Station's Roscosmos segment during the installation of an experiment airlock on the Nauka multipurpose laboratory module on May 3, 2023. They will exit the station's Poisk airlock again on May 12 to conduct another spacewalk to activate and deploy a radiator they previously installed on Nauka during a spacewalk on April 19. Pic 1) Prokopyev Pic 2) Prokopyev and Petelin Pic 3) Petelin #roscosmos #cosmonaut #spacewalk #walk #spacesuit #suit #orlan #nauka #international #space #station