1st Lt . John A. Macready (left) and 1st Lt. Oakley G. Kelly (Right), Pilora in the 1922 non-stop transcontinental flight
United States Air Force
1922
Maurer Maurer, 1987, Aviation in the US. Army, 1919-1938, United States Air Force Historical Research Center, Office of Air Force History,  United States Air Force, Washington, D.C.