Roscosmos cosmonaut Sergey Ryzhikov during a spacewalk

iss073e0981126 (Oct. 16, 2025) --- Roscosmos cosmonaut Sergey Ryzhikov is pictured attached to the end effector of the European robotic arm, holding the high-resolution camera (HRC) monoblock he removed 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.