Altitude Chamber
U.S. Air Force Airman 1st Class Earnest Powell, 20th Aerospace Medicine Squadron aerospace and operational physiology technician, shows U.S. Army Spc. Christopher Stahl, a parachutist Ft. Bragg NC Airborne and Special Operations Test Directorate, how to use oxygen equipment at Shaw Air Force Base, S.C., July 10, 2012. One of the main lessons instructors emphasize during each course is the danger of hypoxia. Hypoxia is a decrease of oxygen content in the blood that affects the brain and tissues of the body. (U.S. Air Force photo by Senior Airman Amber E. N. Jacobs/Released)
PHOTO BY:
Senior Airman Amber E. N. JacobsReleased
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