Long after his showbiz career was over, Eaton served as a captain in the Army Air Corps in Foggia, Italy during World War II. Following the war, he went into business with his sister Doris, who operated a thriving Arthur Murray Dance Studios franchise in Detroit, and did occasional theatrical engagements.
After his career in show business ended, Eaton served as an army officer in Foggia, Italy, during World War II. After the war, he partnered with his sister Doris to run a thriving Arthur Murray Dance Studio franchise in Detroit, and occasionally performed on stage.