Cosmonauts Alexey Zubritsky and Sergey Ryzhikov are pictured during a spacewalk

iss073e0981212 (Oct. 16, 2025) --- Roscosmos cosmonauts Sergey Ryzhikov (left) and Alexey Zubritsky (bottom right) work together to remove a high-resolution camera (HRC) monoblock during a six-hour and nine-minute spacewalk outside the International Space Station's Roscosmos segment. The HRC monoblock is part of a scientific optical telescope system designed to test compact radio-optical detectors for Earth observation, ecological monitoring, and emergency response.