Title: The U.S. Air Service in World War I
Subjects: World War, 1914-1918, Military Aeronautics, GUERRA MUNDIAL I, ARMY a.e.f., OPERACIONES AEREAS ESTADOUNIDENSES AIR SERVICE, AIR SERVICE, United States, HISTORIA, American Aerial operations, AVIACION MILITAR, United States. Army. Air Service, History, United States. Army. American Expeditionary Forces. Air Service, United States. Army. A.E.F., 1917-1920. Air Service, European War, 1914-1918