English: Enlisted in the Louisiana National Guard and served as a sergeant on the Mexican Border in 1916. Commissioned a second lieutenant in the 141st Field Artillery in 1917. In July 1928 General Fleming was appointed the Adjutant General of Louisiana and served in this position for 20 consecutive years. While serving as Adjutant General, he also commanded the 55th Cavalry Brigade, 23d Cavalry Division. In 1940 he was ordered into Federal service as the state director of the Selective Service System of Louisiana. General Fleming came to the Guard Bureau in 1948 and was the first person to hold the office of Chief, Army Division, National Guard Bureau. At the same time, General Fleming served as the commanding officer, 39th Infantry Divison, Arkansas and Lousiana National Guard. He held the office of Chief, National Guard Bureau from 1950-1953. After his term he returned to Louisiana and once again served as the Adjutant General, a position he held for a total of 24 years.