Correspondence, memoranda, journals, notebooks, drafts and proofs of Arnold's memoirs, Global Mission (1949), articles, speeches, reports, orders, printed material, photographs, and other papers relating chiefly to the development of military aeronautics in the United States and to aeronautical policies and events of World War II. Documents Arnold's service as chief and commanding general of the United States Army Air Corps and as a member of the Joint and Combined Chiefs of Staff participating in Allied conferences and wartime inspection trips. Also documents Arnold's early career as an aviator including his training by the Wright brothers aviation company; his role in the development of commercial aeronautics including his air mail charter from the U. S. Postmaster General and organization of Pan American Airways together with Carl Spaatz, Jack Jouett, and John J. Montgomery; and the investigation into the role of the U. S. Army Air Forces during the attack on Pearl Harbor. Correspondents include: Hans Christian Adamson, Frank M. Andrews, Bernard M. Baruch, Eugene H. Beebe, Lawrence Dale Bell, Follet Bradley, Malin Craig, James Harold Doolittle, Donald W. Douglas, Ira Eaker, Robert L. Eichelberger, Dwight D. Eisenhower, Joseph E. Elliott, Barney M. Giles, Millard F. Harmon, Arthur Travers Harris, James H. Kindelberger, Ernest Joseph King, Laurence S. Kuter, Charles A. Lindbergh, Robert A. Lovett, James M. Magee, George C. Marshall, Glenn L. Martin, Louis Marx, Robert Andrews Millikan, John Knudsen Northrop, Edwin Pederson, Eddie Rickenbacker, Horace W. Shelmire, Carl Spaatz, Edward R. Stettinius, Guy Vaughn, Theodore von Kr̀mǹ, Jack Warner, Burdette S. Wright, Orville Wright, and Wilbur Wright.