NASA astronaut Jack Hathaway prepares to install a research cassette into the Advanced Space Experiment Sample Processor-4

iss074e0604612 (May 22, 2026) --- NASA astronaut and Expedition 74 flight engineer Jack Hathaway prepares to install a research cassette into the Advanced Space Experiment Sample Processor-4 being used aboard the International Space Station to study how weightlessness affects drug crystals possibly leading to new pharmaceutical formulas.