NASA astronaut Zena Cardman conducting research operations for a biotechnology experiment

iss073e0817247 (Sept. 30, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Zena Cardman installs sample cassettes into the ADSEP-4 (Advanced Space Experiment Processor) located inside the International Space Station's Destiny laboratory module. She was conducting research operations for the Pharmaceutical In-space Laboratory biotechnology experiment, which is investigating methods to advance pharmaceutical manufacturing in microgravity.