On February 1, 2021 American astronauts Michael Hopkins and Victor Glover performed the spacewalk to complete solar array battery replacement work that began four years ago. They also installed three new video cameras and made preparations for upcoming work to install new roll-out solar blankets to upgrade the lab’s power system. The EVA lasted 5 hours and 20 minutes. It was the 4^th spacewalk for Michael Hopkins and the 2^nd spacewalk for Victor Glover.