NASA astronaut Luke Delaney inspects and cleans ventilation system components

iss075e0225220 (Oct. 14, 2026) --- NASA astronaut and Expedition 75 flight engineer Luke Delaney inspects and cleans ventilation system components aboard the International Space Station. Delaney also collected airflow measurements, helping ground teams assess the overall health of the station’s ventilation system, identify blockages, and verify that air circulates properly to maintain hardware functionality and crew comfort.