[1][3] Upon receiving his commission as a second lieutenant in the Army, in September 1929, DuBose attended primary flying school at March Field, Calif.
He graduated from the Advanced Flying School at Kelly Field, Texas and was transferred to the Army Air Corps on March 14, 1931.
In January 1946, DuBose was appointed assistant chief of staff for plans of the Pacific Air Command at Manila.
In February 1948, Du Bose became deputy commander of Air Task Group 7.4, the Air Force part of Joint Task Force 7, a unit that "constructed a proving ground for the Atomic Energy Commission at Eniwetok and later assisted the Atomic Energy Commission in the conduct of the first series of tests of atomic weapons."
In August 1949, DuBose assumed command of the 1602nd Air Transport Wing at Wiesbaden, Germany.
[1] On August 13, 1952, DuBose took command of Air Rescue Service, and on Aug. 17 he was promoted to the rank of brigadier general.