Maynard Haldeman enlisted on September 30, 1942. He was a member of the Military Police branch of the Army; serving with the 6th Infantry Division in the Pacific Theater. He served in New Guinea and Luzon. He reach the rank of Corporal during his military service. During his service he received the following recognitions: Bronze Service Arrowhead - Pacific Theater; American Service Medal; Asiatic Pacific Service Medal; Philippine Liberation Ribbon with Bronze Star; World War II Victory Medal; and Good Conduct Medal. Maynard Haldeman was discharged on December 12, 1945.