History of Vietnam since 1945 unstable as no government could keep power for long. There were more coups, often more than one every year. The Communist-run Viet Cong expanded their operation and scored some significant military victories during this period. In 1965, US President Lyndon Johnson sent troops to South Vietnam to secure the country and started to bomb North Vietnam, assuming that if South Vietnam fell to the Communists, other countries in the Southeast Asia would follow, in accordance with the domino theory. Other US allies, such as Australia, New Zealand, South Korea, Thailand, the Philippines, and Taiwan also sent troops to South Vietnam.
Vietnam! Vietnam! went through numerous cuts and script alterations over a three-year period and, when finally released, managed to offend almost everyone. Critical reviews were unfavorable. USIA Director Frank Shakespeare left the decision on whether to order a copy of the film up to individual US Embassies abroad, and only a few did. Vietnam! Vietnam! Vietnam, Vietnam was a United States Information Agency (USIA) film about the Vietnam War. The film, narrated by Charlton Heston, was shot on location in Vietnam in October–December 1968 but not released until 1971. Though John Ford, the executive producer, went to Vietnam, he did not participate