U.S. Air Force Senior Airman Erik Palaca, a 47th Operations Support Squadron aerospace physiology technician, prepares the air supplies for the altitude chamber at Laughlin Air Force Base, Texas, Aug. 14, 2023. Keeping the correct levels of oxygen is essential for the members inside, ensuring that members get to experience the correct levels of oxygen deprivation at each altitude. (U.S. Air Force photo by Senior Airman Nicholas Larsen)
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