Role of the United States in the Vietnam War the presidency unopposed. With the installation of the Thieu and Ky government (the Second Republic), the U.S. had a pliable, stable, and semi-legitimate government in Saigon with which to deal. With the advent of "Rolling Thunder", American airbases and facilities needed to be constructed and manned for the aerial effort. On March 8, 1965, 3,500 United States Marines came ashore at Da Nang as the first wave of U.S. combat troops into South Vietnam, adding to the 25,000 U.S. military advisers already in place. The US Government deployment of ground forces to Da Nang had not been consulted with the
1961 in the Vietnam War The NSAM also called for South Vietnam to improve its military establishment and mobilize its resources to prosecute the war. Thus, Kennedy stopped short of what many of his advisers, including General Taylor, had advised: the introduction of U.S. combat soldiers into South Vietnam. Kennedy's decision not to introduce combat troops surprised the Defense Department which had been assembling forces to be assigned to Vietnam, including Farm Gate aircraft. However, Kennedy's decision was a visible and undeniable violation of the Geneva Accords of 1954, still technically in force. President Kennedy approved the use of herbicides in Viet Nam to kill