English: The International Space Station’s solar arrays provide power for the orbiting laboratory. NASA will install a total of six new roll out solar arrays in front of the existing arrays at 1A, 2B, 3A, 3B, 4A, and 4B to augment the power. During the Aug. 24 spacewalk, NASA astronaut Mark Vande Hei and astronaut Akihiko Hoshide of the Japan Aerospace Exploration Agency will install the modification kit on the 4A power channel, where the next new roll out solar array will be installed in 2022.