NASA Reschedules ISS Spacewalk Antenna Installation for August 25

On August 25, 2026, two International Space Station astronauts will resume efforts to install a high-data-rate Ku-band communications antenna outside the orbiting laboratory, according to Aviation Week. The upcoming extravehicular activity follows an initial Aug. 18 attempt that was cut short after running nearly 6.5 hours.

Expedition 75 Crew Prepares for Spacewalk Retry

Expedition 75 flight engineers Anil Menon of NASA and Sophie Adenot of the European Space Agency spent nearly 6.5 hours working outside the complex during their Aug. 18 excursion, as reported by Aviation Week.

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Mission Control Reviews Timelines for Ku-Band System

The upcoming Aug. 25 spacewalk directly addresses the remaining mechanical steps required to bring the upgraded Ku-band communications system online.

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Securing Robust Data Pathways for the Future

As flight controllers finalize preparations for the Aug. 25 operation, all eyes remain on the orbital outpost’s exterior truss structure.