During World War II, he served as Chief of Staff, Headquarters Army Air Forces, China-Burma-India Theater.

Entering the Air Corps Technical School at Chanute Field, Illinois, in September 1931, he graduated the following June and remained there as assistant to the director, Department of Mechanics.

From February to May 1934, he was an air mail pilot at Oakland, California, and then joined the 70th Service Squadron at Hamilton Field, assuming command of it in July 1936.

Ordered to the China-Burma-India Theater in August 1943, General Stone was appointed chief of staff for the Eastern Air Command there the following January.

Upon its deactivation that December, General Stone was ordered back to Washington for temporary duty with the U.S. Strategic Bombing Survey.

The following month, General Stone moved to Air Force headquarters, Washington, D.C. as director of maintenance, supply & services in the Office of the Deputy Chief of Staff for Materiel.

[3] His decorations include the Distinguished Service Medal with oak leaf cluster, Legion of Merit, Distinguished Flying Cross, Bronze Star with oak leaf cluster, British Order of the Bath (Companion), Chinese Tasheu Cloud Banner Medal and Lo Shu decoration.

President of the Harvard Business School Club of Washington, D.C., in 1953 and 1954, and a member of the executive council of the Harvard Business School Association from July 1955 to July 1958, General Stone has been a director of the Air Force Aid Society, and appointed chairman of the board of the 14th Air Force Association from 1954 to 1957.