2 astronauts perform spacewalk to replace ISS antenna

NASA astronaut Anil Menon and European Space Agency (ESA) astronaut Sophie Adenot are scheduled to perform a 6.5-hour spacewalk on Tuesday, August 18, 2026, to replace a critical communications antenna on the International Space Station (ISS). The extravehicular activity (EVA) is set to begin at 8:35 a.m.