. "1999" . . . . . . . . . . . . . . . . . . . . . "North American Air Defense Command" . . . . . . . . . . "Eighth Air Force" . . . . . . . . . "1921" . "Alaskan Command" . . . . . . . . . . . . . . . . . . . . . . . . "1947" . . . "James E. Hill" . . . . . "General James E. Hill" . . "James E. Hill" . . . . . . . "1942" .