NASA astronaut Jessica Watkins services delicate sample‑processing hardware

iss075e0226600 (Oct. 19, 2026) --- NASA astronaut and Expedition 75 flight engineer Jessica Watkins services delicate sample‑processing hardware and inspects its internal components before stowing it in a science freezer aboard the International Space Station. The Advanced Space Experiment Processor‑2 (ADSEP‑2) can be configured for cell and tissue culturing, protein crystal growth, microorganism studies, and materials science research with colloids.