Astronauts Suni Williams and Butch Wilmore, who have been on an unexpectedly monthslong assignment after serving on Boeing’s Starliner crewed test flight, are conducting a spacewalk Thursday. The duo is venturing outside the International Space Station to remove degraded radio communications hardware.

The astronauts who traveled to the International Space Station aboard the Boeing Starliner are in good health, a NASA spokesperson has said, dismissing fake online reports of their death. The false narrative also includes false quotes attributed to Elon Musk.