Spacewalking astronauts prepare International Space Station for new solar arrays

Two spacewalking astronauts began preparing the International Space Station (ISS) for new solar arrays on Sunday (Feb. 28), battling tough bolts to kick off a major power upgrade for the orbiting lab.

Expedition 64 flight engineers Kate Rubins and Victor Glover — both NASA astronauts — spent more than seven hours working outside the station during the spacewalk to install modification kits for the new solar arrays. They worked on the station’s portside edge to install a bracket and support struts on two mast canisters at the base of the outpost’s current solar wings there, but were only able to install one of the kits while assembling a second and storing it for later. 

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