Title: Winged defense
Subtitle: the development and possibilities of modern air power--economic and military
Subjects: Air power, Military Aeronautics, United States, United States. Army. Air Corps, Defenses, Military doctrine, Economic aspects of Air power, Air service, Aeronautics, military, United states, army air corps, history, United States. Army. Air Service, Economic aspects, United States Army. Air service
Places: United States