Meir & Adenot on Spacewalk | International Space Station
European Space Agency (ESA) astronaut Sophie Adenot, with her spacesuit’s gold‑plated helmet visor down, is tethered to the International Space Station.
Expedition 75 commander Jessica Meir of NASA points her camera toward her spacesuit’s helmet visor and takes an out-of-this-world “space selfie.”
Expedition 75 commander Jessica Meir of NASA rides the Canadarm2 robotic arm during a spacewalk for navigation and science maintenance outside the International Space Station.
From left, the Soyuz MS‑29 crew spacecraft, docked to the Prichal module, and Northrop Grumman’s Cygnus XL cargo spacecraft, berthed to the Unity module, are pictured as the International Space Station orbited 261 miles above the Pacific Ocean west of Peru.
From left, flight engineer Jack Hathaway, station commander Jessica Meir, and flight engineer Anil Menon—NASA astronauts and members of Expedition 75—pose for a portrait inside the International Space Station’s Quest airlock.
From left, Expedition 75 crewmates Sophie Adenot of European Space Agency (ESA) and Jessica Meir of NASA, flight engineer and station commander respectively, smile for a portrait while working together inside the International Space Station’s Quest airlock.
From left, astronauts Jessica Meir of NASA and Sophie Adenot of the European Space Agency (ESA) pose for a portrait inside the International Space Station’s Quest airlock while configuring spacesuits the day before they conducted a spacewalk together.
From left, astronauts Jessica Meir of NASA and Sophie Adenot of the European Space Agency (ESA) pose for a portrait inside the International Space Station’s Quest airlock while configuring spacesuits the day before they conducted a spacewalk together.
NASA astronaut Jessica Meir and the European Space Agency (ESA) astronaut Sophie Adenot concluded their spacewalk outside the International Space Station at 3:29 p.m. EDT, September 1, 2026.
During the 6-hour, 49-minute spacewalk, Meir and Adenot installed a new retroflector on the forward port of the space station’s Harmony module to support spacecraft navigation during rendezvous and docking operations. The duo replaced a high-definition camera on the station’s truss and completed a swab of the space station’s exterior for microorganisms. They also partially completed work to install jumper cables for electrical systems and started work to prepare for the replacement of the Alpha Magnetic Spectrometer’s heat-rejecting radiator on a future spacewalk.
Mission Control deferred installing the remaining guide studs for the spectrometer’s replacement radiator so engineers can develop a plan to finish the work during a future spacewalk. As the crew fell behind the timeline, the mission control team also shifted completion of the remaining jumper cables and other noncritical tasks to a later date.
During the spacewalk, Adenot experienced mobility issues with her left arm. Meir took a look at Adenot’s suit and determined the glove heater harness was likely getting caught and causing limited movement in the left shoulder joint. Unzipping the joint seemed to resolve the issue ahead of the crew entering the airlock.
U.S. spacewalk 99 was Meir’s seventh and Adenot’s third. Meir now ranks third all-time among woman at NASA for total spacewalks, behind Peggy Whitson (10) and Suni Williams (9). It also was the 284th spacewalk in support of space station assembly, maintenance, and upgrades.
It also was the 284th spacewalk in support of space station assembly, maintenance, and upgrades.
Follow Expedition 75:
Expedition 75 Crew
Station Commander: Jessica Meir
Roscosmos (Russia) Flight Engineers: Andrey Fedyaev, Anna Kikina, Pyotr Dubrov
Station Commander: Jessica Meir
Roscosmos (Russia) Flight Engineers: Andrey Fedyaev, Anna Kikina, Pyotr Dubrov
European Space Agency Flight Engineer: Sophie Adenot
NASA Flight Engineers: Jack Hathaway, Anil Menon
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada.
Image Credits: NASA's Johnson Space Center/A. Menon/S. Adenot
Image Dates: Aug. 28-Sept. 1, 2026
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