NASA astronaut Chris Williams is preparing for a spacewalk with the help of ESA flight engineer Sophie Adenot, testing his spacesuit's systems and mobility inside the International Space Station's Quest airlock. The test ensures the suit's comfort, communications, and life support systems are functioning properly. Chris Williams is verifying the suit's readiness for the upcoming spacewalk.

Source: https://www.nasa.gov/image-detail/iss074e0760514/