George Finch enlisted in the Army Air Service during World War I, remaining in the Reserves after the War. After serving in the Army Air Forces in World War II, he was a leading critic of efforts to eliminate the air arm of the National Guard during peacetime. He became the Senior Leader of the US Air National Guard; (Chief of the Air Division National Guard Bureau) (1948-1950). He retired in 1957 as a U.S. Air Force Major General.