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U.S. Army Maj. Gen. David Norvell Walker Grant (1891-1964), known as the “grandfather” of the present-day Air Force Medical Service, spearheaded aeromedical research and created the Air Evacuation Service that safely transported over a million casualties during wartime. David Grant USAF Medical Center at Travis Air Force Base, California, is named after Grant, and his legacy of excellence continues with award-winning care. (Photo by Smithsonian Institution Archives)
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