NASA astronaut Chris Williams swaps hard drives inside the Advanced Space Experiment Processor-4

iss074e0692827 (June 10, 2026) --- NASA astronaut and Expedition 74 flight engineer Chris Williams swaps hard drives inside the Advanced Space Experiment Processor-4, a research device that supports the processing of scientific samples, increasing the International Space Station's capacity for microgravity research. Credit: NASA/Jessica Meir