In June 1926 he also graduated with honors from the Command and General Staff School at Fort Leavenworth .
In June 1925 Fickel graduated from the Air Corps Technical School at Langley Field .
In June 1926 Fickel also graduated with honors from the Command and General Staff School at Fort Leavenworth .
In June 1925 Fickel graduated from the Air Corps Technical School at Langley Field .