Garry Willard began his military career in September 1944 as an enlisted member of the U.S. Army Air Corps, attended Virginia Military Institute for a year and then served as an infantryman with Headquarters 24th Corps in the Korean Army of Occupation in 1946. He was discharged from active duty in April 1947. He re-entered military service in 1948 and was commissioned in the Air Force through the Aviation Cadet Program in 1949. Serving as a fighter pilot in the Korean War, he was credited with destroying one enemy MiG aircraft in aerial combat. He retired in 1980 as a U.S. Air Force Brigadier General.