This film examines how the Montagnards (a primitive tribe living in the Vietnamese central highlands) were trained by the U.S. to defend their territories against the Viet Cong. The film illustrates the methods used by Army Special Forces to win over these tribesmen to the South Vietnam cause. National Archives and Records Administration ARC Identifier 1174345 / Local Identifier 111-TV-607 Big Picture: Operation Montagnard Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. (ca. 1974 - 05/15/1984).