Ralph Snavely served as an Ensign in the U.S. Naval Reserve from December 1918 to April 1919. He was commissioned in the Army Air Service in 1923. After serving in the Army Air Forces in World War II, he transferred to the U.S. Air Force when it became a separate branch of service in 1947. He retired in 1954 as a U.S. Air Force Brigadier General.