The volume at hand, Training to Fly: Military Flight Training, 1907-1945, isan institutional history of flight training by the predecessor organizations of theUnited States Air Force. The U.S. Army purchased its first airplane, built andsuccessfully flown by Orville and Wilbur Wright, in 1909, and placed bothlighter- and heavier-than-air aeronautics in the Division of Military Aeronauticsof the Signal Corps. As pilots and observers in the Air Service of the AmericanExpeditionary Forces, Americans flew combat missions in France during theGreat War. In the first postwar decade, airmen achieved a measure ofrecognition with the establishment of the Air Corps and, during World War 11,the Army Air Forces attained equal status with the Army Ground Forces.