War Zone D was the area in South Vietnam around the Dong Nai River, north of Bien Hoa which served as a Viet Cong (VC) and People's Army of Vietnam (PAVN) base area and infiltration route during the Vietnam War.
War Zone D was the area in South Vietnam around the Dong Nai River, north of Bien Hoa which served as a Viet Cong (VC) and People's Army of Vietnam (PAVN) base area and infiltration route during the Vietnam War.