Donald was a veteran having served in the U.S. Army. He entered the service on March 26, 1953, in Pittsburgh, and was assigned to the 714th TB ROS & DE (RWY). He was honorably discharged March 25, 1955, at Fort Eustis, Va. He was transferred to the U.S. Army Reserves until his final discharge on May 2, 1961, at Indiantown Gap Military Reservation, with rank of corporal. He was awarded the Good Conduct Medal and National Defense Service Medal. He married Janice J. Decker, July 1, 1961.