Cosmonauts Kud-Sverchkov & Mikaev on Spacewalk | International Space Station
Roscosmos cosmonaut and Expedition 74 commander Sergey Kud-Sverchkov of Russia works outside the International Space Station in his Orlan spacesuit with red stripes. During the six-hour and five-minute spacewalk, Kud‑Sverchkov, along with Roscosmos cosmonaut Sergei Mikaev (out of frame), installed a solar radiation experiment and removed physics and microbiology research hardware from the orbital outpost.
Roscosmos cosmonaut and Expedition 74 flight engineer Sergei Mikaev of Russia (lower center) works outside the International Space Station's Poisk module in his Orlan spacesuit with blue stripes. During the six-hour and five-minute spacewalk, Mikaev, along with Roscosmos cosmonaut Sergey Kud-Sverchkov of Russia (out of frame), installed a solar radiation experiment and removed physics and microbiology research hardware from the orbital outpost.
Roscosmos cosmonaut and Expedition 74 commander Sergey Kud-Sverchkov of Russia works outside the International Space Station in his Orlan spacesuit with red stripes. During the six-hour and five-minute spacewalk, Kud‑Sverchkov, along with Roscosmos cosmonaut Sergei Mikaev of Russia (out of frame), installed a solar radiation experiment and removed physics and microbiology research hardware from the orbital outpost.
Roscosmos cosmonauts Sergey Kud-Sverchkov (left) and Sergei Mikaev (right) of Russia, Expedition 74 commander and flight engineer respectively, are pictured inside the Poisk module's airlock trying on their Orlan spacesuits.
Roscosmos cosmonauts Sergey Kud-Sverchkov (left) and Sergei Mikaev (right) of Russia, Expedition 74 commander and flight engineer respectively, are pictured inside the Poisk module's airlock trying on their Orlan spacesuits as Roscosmos flight engineer Andrey Fedyaev of Russia (center) assists them. The duo was preparing for a spacewalk to install a solar radiation experiment and remove biological exposure hardware on the outside of the International Space Station.
Roscosmos cosmonauts Sergey Kud-Sverchkov (left) and Sergei Mikaev (right) of Russia, Expedition 74 commander and flight engineer respectively, are pictured inside the Poisk module's airlock trying on their Orlan spacesuits.
Roscosmos cosmonauts Sergey Kud-Sverchkov (left) and Sergei Mikaev (right) of Russia, Expedition 74 commander and flight engineer respectively, are pictured inside the Poisk module's airlock trying on their Orlan spacesuits as Roscosmos flight engineer Andrey Fedyaev of Russia (center) assists them. The duo was preparing for a spacewalk to install a solar radiation experiment and remove biological exposure hardware on the outside of the International Space Station.
Roscosmos cosmonauts Sergey Kud-Sverchkov (left) and Sergei Mikaev (right) of Russia, Expedition 74 commander and flight engineer respectively, are pictured inside the Poisk module's airlock trying on their Orlan spacesuits.
Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev of Russia concluded their spacewalk outside the International Space Station at 4:23 p.m. EDT on Wednesday, May 27, 2026, lasting 6 hours, 5 minutes.
Kud-Sverchkov and Mikayev finished their major objectives, including collecting two completed science experiments and installing a new one. They removed a microorganism study from the exterior of the Poisk module and retrieved a cassette from the Nauka module containing data on how semiconductor materials form in microgravity. The crew also installed a device on the Zvezda service module to measure bursts of solar radiation from solar flares.
During the spacewalk, the duo photographed one of two Kurs rendezvous antennas on the Progress 94 cargo spacecraft that failed to deploy following its March launch to the space station. After collecting the imagery, they secured the antenna with a tie‑down for future dynamic operations.
This was the second spacewalk for Kud-Sverchkov and the first for Mikayev. It also was the 279th spacewalk supporting space station assembly, maintenance, and upgrades.
Expedition 74 Crew
Station Commander: Sergey-Kud Sverchkov (Russia)
Roscosmos (Russia) Flight Engineers: Andrey Fedyaev, Sergei Mikaev
European Space Agency Flight Engineer: Sophie Adenot
NASA Flight Engineers: Jessica Meir, Jack Hathaway, Chris Williams
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/JSC, ESA/Sophie Adenot
Dates: May 22-27, 2026
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