ESA astronaut Sophie Adenot during EVA-99

ESA astronaut Sophie Adenot and NASA astronaut Jessica Meir successfully completed US EVA-99 at 21:29 CEST on Tuesday 1 September. It was Sophie’s third spacewalk, and the 33rd conducted by a European astronaut.   

During the 6-hour, 49-minute spacewalk, Sophie and Jessica completed several maintenance tasks, including replacing a spacecraft navigational aid, preparing a cosmic particle detector for future upgrades, installing jumper cables to enhance data relay capabilities, and collecting samples for the MicroOrganisms experiment.