Vietnam War remained in the field for four days. Tellingly, South Vietnamese forces were again defeated in June 1965 at the Battle of Đồng Xoài. On 8 March 1965, 3,500 U.S. Marines were unilaterally dispatched to South Vietnam. This marked the beginning of the American ground war. U.S. public opinion overwhelmingly supported the deployment. The Marines' initial assignment was defensive. The first deployment of 3,500 in March 1965 was increased to nearly 200,000 by December. The U.S. military had long been schooled in offensive warfare. Regardless of political policies, U.S. commanders were institutionally and psychologically unsuited to a defensive mission. General William
Vietnam Syndrome brought about because of the Vietnam War and with feelings of doubt over the morality of America's intentions and actions during the war. Reagan, however, argued that America had fought for "a noble cause" and blamed the war in Vietnam exclusively on North Vietnam's aggression: Vietnam Syndrome Vietnam Syndrome, in U.S. politics, is a term used to refer to public aversion to American overseas military involvements, following the domestic controversy over the Vietnam War, which ended in 1975. Since the early 1980s, the combination of a public opinion apparently biased against war, a relative reluctance to deploy ground troops and