Brig. Gen. William Mitchell welcoming Capt. St. Clair Streett and his crew on return to Bolling Field from 1920 flight to Nome, Alaska.
United States Air Force
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.