NASA astronaut Chris Williams smiles for the camera during a spacesuit fit verification

iss074e0009033 (Jan. 2, 2025) --- NASA astronaut and Expedition 74 crew member Chris Williams smiles for the camera during a spacesuit fit verification inside the International Space Station’s Quest airlock. Officially called the On-Orbit Fit Verification, this procedure confirms that the spacesuit is airtight and properly configured, assesses comfort and mobility, and helps prevent potential safety risks. Credit: NASA/Zena Cardman