Example image of eyePlorer eyePlorer map for 'Harry George Armstrong': Major general (United States) Space medicine United States Air Force United States Army Air Forces United States Marine Corps World War I Armstrong Limit De Smet, South Dakota University of Minnesota University of South Dakota University of Louisville Army Medical Department (United States) Brooks City-Base Captain (United States) Colonel Lieutenant colonel (United States) Major (United States) Brigadier general (United States) Washington, D.C. Wiesbaden American College of Healthcare Executives Croix de guerre Legion of Merit National Aviation Hall of Fame Harry Armstrong Armstrong Laboratory Malcolm C. Grow