The Swedish-American astronaut Jessica Meir completed her fourth spacewalk on Wednesday, March 18, 2026, working outside the International Space Station (ISS) to upgrade the station’s systems. This latest extravehicular activity (EVA) underscores the ongoing need for maintenance and modernization of orbital infrastructure as space exploration continues to advance.
Alongside her colleague Chris Williams, Meir spent over seven hours installing a modification kit for new solar panels and preparing the station’s electrical system, according to a press release from the Swedish National Space Agency. The perform is a crucial step in upgrading the ISS with next-generation solar panels designed to provide increased power for research and operations.
Meir is the commander of Crew-12, which arrived at the ISS in February. This spacewalk marks her fourth to date. She previously made history during a prior mission when she and Christina Koch conducted the first all-female spacewalk, a milestone for diversity in space exploration. Nyheter24 reports.
The upgrade to the ISS’s power systems is vital for supporting the growing energy demands of scientific experiments and the station’s overall functionality. DN Direkt confirms the details of the spacewalk and its purpose.
Jessica Meir’s role as commander of Crew-12 highlights her leadership in ongoing space missions. EuropeSays notes her significant contributions to space exploration and the importance of her work on the ISS.