11 oct 1963 año - President Kennedy approves the recommendations made by Secretary of Defense Robert S. McNamara, and Chairman of the Joint Chiefs of Staff General Maxwell Taylor, and outlined in National Security Action Memoranda (NSAM 263, South Vietnam), to (1) conclude a complete US military withdrawal from Vietnam by December 31, 1965; (2) that the first of these troops, numbering 1,000, will have left Vietnam by December 31, 1963; (3) that a public announcement will be issued, to set these decisions in concrete.[8][9]