Live coverage is underway as two NASA astronauts prepare for a spacewalk outside the International Space Station. The spacewalk is scheduled to last about six and a half hours.

Coverage is available on NASA+, Amazon Prime, and the agency’s YouTube channel. Learn how to stream NASA content through a variety of online platforms, including social media.

During the spacewalk, NASA astronauts Jessica Meir and Chris Williams will exit the station’s Quest airlock to prepare the 2A power channel for the future installation of International Space Station Roll-Out Solar Arrays. Once installed, the array will provide additional power for the orbital laboratory, including critical support of its safe and controlled deorbit.

Meir will serve as spacewalk crew member 1, wearing a suit with red stripes. Williams will serve as crew member 2, wearing an unmarked suit. This spacewalk will be Williams’ first and Meir’s fourth.

Learn more about station activities by following the space station blog, @space_station on X, as well as the ISS Facebook and ISS Instagram accounts.

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March 18, 2026 6:32AM

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