Roscosmos cosmonauts Alexey Zubritsky and Sergey Ryzhikov during a spacewalk

iss073e0988203 (Oct. 28, 2025) --- Roscosmos cosmonauts (top to bottom) Alexey Zubritsky and Sergey Ryzhikov are pictured in their Orlan spacesuits conducting a spacewalk 270 miles above southern Argentina. During the spacewalk, the duo installed a pulse plasma injector, cleaned a window on the Nauka science module, replaced a materials science cassette on Nauka, and moved a controller interface for the European robotic arm.