It is comparatively easy to explain the reasons for victory and defeat in past wars; it is extremely difficult to predict the course or outcome of a future war. Certainly the next war will be different from the last. Two factors will surely influence its course: first, improvement of existing and the introduction of new weapons; second, obligations accepted by the United States as a member of the Atlantic Pact.
*Data and statements concerning American Air Forces, unless otherwise indicated, are taken from The Army Air Force in World War II. Volume II. Edited by W. F. Craven and J. L. Cate.