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Maj. Joseph Teodoro, 374th Operation Support Squadron airspace physiologist, has a pulse monitor attached to one of his fingers by Tech. Sgt. Mark McHugh, 374th OSS aerospace physiology technician, during an inaugural run of the base’s new Restricted Oxygen Breathing Device at Yokota Air Base, Japan, Nov. 22, 2022. Hypoxia is a condition of lowered oxygen levels in body tissues, which can occur if cabin pressure loss ensues at high altitudes where the atmosphere is much thinner. (U.S. Air Force photo by Staff Sgt. Ryan Lackey)
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