William Boyd enlisted in the Army Air forces Aviation Cadet Program in World War II. Although he did not participate in any combat assignments in that war, he did participate in the Berlin Airlift in 1948-49. During the Vietnam War, in the evacuation of Kham Duc Special Forces Camp, members of the Air Force achieved a remarkable history of awards for valor. C-123 pilot Joe Jackson received the Medal of Honor and his Co-Pilot Major Jesse Campbell received the Air Force Cross. C-123 Pilot LTC Alfred Jeanotte and C-130 pilots Majors Jesse Campbell and Bernard Bucher also received Air Force Crosses for their roles in this mission, the largest air-life since the Berlin Air Lift. Following his Vietnam War service, Colonel Boyd served as an Air Force Advisor to the Wisconsin Air National Guard before his retirement on January 1, 1974.