Fickel was born in
Des Moines, Iowa, on January 31, 1883. He enlisted in the Regular Army when he was 21 years old. He served as a
private,
corporal,
sergeant, and first sergeant of Company K, 27th Infantry of the
United States Army. He was stationed at
Fort Hayes,
Fort Sheridan, and
Fort Leavenworth. In 1907, Fickel was commissioned as a second lieutenant of Infantry. He then joined the 29th Infantry at
Fort Douglas. In August of that year, the regiment went to the Philippine Islands, where Fickel served at
Fort William McKinley with Second Lieutenant
Henry H. Arnold. In 1909, he returned to the United States and was stationed at
Fort Jay on
Governors Island in New York Harbor. He was there through 1911. He then went to
Fort Niagara until November 1913. Fickel returned to the Philippine Islands for a second tour with the 13th Infantry. He served at Fort William McKinley again, and at Camp McGrath, until March 1917. He was then assigned to duty as an instructor at the Officers Training Camp at
Fort Benjamin Harrison, where he remained until November of that year. Fickel was then ordered to
Washington, D.C., for duty with the headquarters of the Aviation Section of the
Signal Corps. He served there until May 1918. ==Aerial gunnery pioneer==