query: When did the United States officially pull out of Vietnam?
passage: Role of the United States in the Vietnam War
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 20 long years of political and economic action. These had the common incentive of ending the growing communist domination in Vietnam. At the time, French forces, allies of the U.S., were backed by America — President Harry S. Truman provided progressively increasing amounts of financial and military assistance to French forces fighting in Vietnam. From the spring of 1950, their involvement increased from just assisting French troops to providing direct military assistance to the associated states (Vietnam, Laos, Cambodia). Eventually, U.S. missions were carried out at a more constant rate by sending out increasing number of military assistance from the United States. Their main intent was to restrict the Communist domination that was present in the government of Vietnam as it would soon lead to a chain of neighbouring countries adopting the same. This would have resulted in a change in balance of power throughout Southeast Asia. The U.S. foreign policy establishment saw national security interests being disturbed due to the rise of this communist expansion and strived to take any measure to end it. Their actions came to be questioned by other segments of government and society, however, including the US congress.[1].
passage: Presidency of John F. Kennedy
By November 1963, there were 16,000 American military personnel in South Vietnam, up from Eisenhower's 900 advisors. In the aftermath of the aborted coup in September 1963, the Kennedy administration reevaluated its policies in South Vietnam. Kennedy rejected both the full-scale deployment of ground soldiers, but also rejected the total withdrawal of U.S. forces from the country. Historians disagree on whether the U.S. military presence in Vietnam would have escalated had Kennedy survived and been re-elected in 1964. Fueling the debate are statements made by Secretary of Defense McNamara in the film "The Fog of War" that Kennedy was strongly considering pulling out of Vietnam after the 1964 election. The film also contains a tape recording of Lyndon Johnson stating that Kennedy was planning to withdraw, a position that Johnson disagreed with. Kennedy had signed National Security Action Memorandum (NSAM) 263, dated October 11, which ordered the withdrawal of 1,000 military personnel by the end of the year. Such an action would have been a policy reversal, but Kennedy was moving in a less hawkish direction since his acclaimed speech about world peace at American University on June 10, 1963.