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NASA Astronauts Complete Historic Spacewalk for ISS Upgrade

3/19/2026

Summary

Story summary

NASA astronauts Jessica Meir and Chris Williams completed U.S. Spacewalk 94 on March 18, 2026, to prepare the International Space Station (ISS) for new solar arrays.
The spacewalk started at 8:52 a.m. EDT and lasted over seven hours, marking Meir's fourth and Williams' first spacewalk.
They installed a mount for an International Space Station Roll-Out Solar Array (iROSA) to boost the station's electricity supply by 20-30%.
These spacewalks were the first of 2026 and were rescheduled from January due to a medical issue with a previous astronaut.

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Story summary

NASA astronauts Jessica Meir and Chris Williams completed U.S. Spacewalk 94 on March 18, 2026, to prepare the International Space Station (ISS) for new solar arrays.
The spacewalk started at 8:52 a.m. EDT and lasted over seven hours, marking Meir's fourth and Williams' first spacewalk.
They installed a mount for an International Space Station Roll-Out Solar Array (iROSA) to boost the station's electricity supply by 20-30%.
These spacewalks were the first of 2026 and were rescheduled from January due to a medical issue with a previous astronaut.