Aerospace physiologist refreshes pilots on physiological threats

U.S. Air Force Maj. Shawn Hall, 34th Bomb Squadron, puts on his mask during training Aug. 8, 2014, at Dyess Air Force Base, Texas. Hall’s mask is connected to a reduced oxygen breathing device, which will induce hypoxia without being exposed to low barometric pressure like in a traditional hypobaric chamber. Hypoxia is a state of oxygen deficiency in blood, cells and tissues that can cause impairment of function. (U.S. Air Force photo by Airman 1st Class Kylsee Wisseman/Released)

PHOTO BY: Airman st Class Kylsee WissemanReleased
VIRIN: 140806-F-JA142-006.JPG
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