ISS commander Sergey Kud-Sverchkov sends a message to his mother during a spacewalk on the station Russian cosmonaut Sergey Kud-Sverchkov, on his first spacewalk of 2026 on the International Space Station (ISS), sent a message to his mother to tell her that he remembered to wear his hat. Current ISS commander Kud-Sverchkov and his fellow cosmonaut Sergey Mikayev were performing scheduled installation and removal of scientific experiment hardware on the outer hull of the space station on