Jones signed for
commission in the
United States Army Reserve, serving from September 13, 1933, to September 5, 1938. With the onset of
World War II, in 1940, IHC recalled him from Africa, In May 1941, Jones began active duty at Marine Corps Barracks, Quantico, Virginia, and was assigned to the
1st Marine Division (1st MARDIV),
Fleet Marine Force (FMF). While at Quantico, he completed the Reserve Officers' training and then served as the Commanding Officer (CO), Headquarters Company, Task Force 18, Atlantic Fleet. Due to the success of his reconnaissance company, at the recommendation of
General Holland Smith to the Marine Corps commandant, the company became a battalion. he returned to the States to a post at
the recruit depot at Parris Island He left active duty on February 15, 1946. He returned to the Marine Reserve and was promoted to lieutenant colonel in August 1951. He retired in January 1958, and was promoted to Colonel due to his heroism in World War II. ==Post-military career==