Origins of Airpower: Hap Arnold's Early Career in Aviation Technology, 1903-1935

HENRY HARLEY ("Hap") Arnold was not supposed to enter the Army.1 His older brother, Thomas, was to attend West Point and continue the Arnold family tradition of American military service that began during the War for Independence. Henry Harley, Hap's namesake and great-great-grandfather, had been a private in the MAJ DIK DASO, USAF Pennsylvania militia. Another relative, Peter Arnold, fought with Gen George Washington's army. Thomas G. Arnold, his grandfather, had been a nail maker who foug...