NASA Astronauts Jessica Meir and Chris Williams Upgrade ISS Power with Solar Panel Spacewalk

NASA astronauts Jessica Meir and Chris Williams performed an eight-hour spacewalk on March 18, 2026, preparing the International Space Station for new deployable motorless solar panels. This marks NASA's first spacewalk in 10 months and is a key step in modernizing the ISS's energy systems to increase power generation. The successful prep work sets the stage for upcoming solar array installation, crucial for extending the station's operational capabilities.