page_title: Role of the United States in the Vietnam War
section_title: Gulf of Tonkin and the Westmoreland expansion
hierarchical_section_title: Role of the United States in the Vietnam War / Americanization / Gulf of Tonkin and the Westmoreland expansion
caption_attribution_description: English: General Wallace Greene, Commandant of the Marine Corps (l), Lieutenant General Robert Cushman, III MAF Commander (c), and General William Westmoreland (r).
context_page_description: The role of the United States in the Vietnam War began after World War II and escalated into full commitment during the Vietnam War from 1955 to 1973. The U.S. involvement in South Vietnam stemmed from a combination of factors: France's long colonial history in French Indochina, the US War with Japan in the Pacific, and both Joseph Stalin and Mao Zedong's pledge in 1950 to support Ho Chi Minh and the Viet Minh's guerrilla forces. Related to this, Roosevelt was adamantly against providing any aid to France that would in any way prop up France's struggle to maintain its pre WWII colonial empire. However, Stalin and Mao's offering their support to the Viet Minh in 1950, changed the battlefield dynamic and geopolitical character of the struggle to one of a global conflict against Maoist and Stalinist expansionism. It was at the time, in September 1950, that French forces began to be moderately backed by America. Beginning with $10M USD worth of military supplies, President Harry S.
context_section_description: On July 27, 1964, 5,000 additional U.S. military advisers were ordered to the Republic of Vietnam (RVN or South Vietnam), bringing the total American troop level to 21,000. Shortly thereafter an incident occurred off the coast of the Democratic Republic of Vietnam (North Vietnam) that was destined to escalate the conflict to new levels and lead to the full scale Americanization of the war.
  On the evening of August 2, 1964, the destroyer USS Maddox was conducting an electronic intelligence collection mission in international waters (even as claimed by North Vietnam) in the Gulf of Tonkin when it was attacked by three P-4 torpedo boats of the North Vietnamese Navy. Reports later reached the Johnson administration saying that the Maddox was under attack. Two nights later, after being joined by the destroyer C. Turner Joy, the Maddox again reported that both vessels were under attack. Regardless, President Johnson addressed Congress asking for more political power to utilize American military forces in South Vietnam, using the attack on the Maddox as cause to get what he wanted.
  There was rampant confusion in Washington, but the incident was seen by the administration as the perfect opportunity to present Congress with "a pre-dated declaration of war" in order to strengthen weakening morale in South Vietnam through reprisal attacks by the U.S. on the North. Even before confirmation of the phantom attack had been received in Washington, President Johnson had decided that an attack could not go unanswered.
  Just before midnight he appeared on television and announced that retaliatory air strikes were underway against North Vietnamese naval and port facilities. Neither Congress nor the American people learned the whole story about the events in the Gulf of Tonkin until the publication of the Pentagon Papers in 1969. It was on the basis of the administration's assertions that the attacks were "unprovoked aggression" on the part of North Vietnam, that the United States Congress approved the Southeast Asia Resolution (also known as the Gulf of Tonkin Resolution) on August 7. The law gave the President broad powers to conduct military operations without an actual declaration of war. The resolution passed unanimously in the House of Representatives and was opposed in the Senate by only two members.
  National Security Council members, including United States Secretary of Defense Robert McNamara, Secretary of State Dean Rusk, and General Maxwell Taylor, agreed on November 28 to recommend that Johnson adopt a plan for a two-stage escalation of the bombing of North Vietnam.
caption: Commandant of the Marine Corps Wallace Greene (left), III MAF commander General Robert Cushman (center), and General Westmoreland (right).
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