Vietnam ground combat operations in 1965, and at their peak they numbered more than 500,000. The US also engaged in a sustained aerial bombing campaign. Meanwhile, China and the Soviet Union provided North Vietnam with significant material aid and 15,000 combat advisers. Communist forces supplying the Việt Cộng carried supplies along the Hồ Chí Minh trail, which passed through the Kingdom of Laos. The communists attacked South Vietnamese targets during the 1968 Tết Offensive. Although the campaign failed militarily, it shocked the American establishment, and turned US public opinion against the war. During the offensive, communist troops massacred over 3,000 civilians
1965 in the Vietnam War commitment to combat of U.S. ground troops." The Pentagon endorsed Westmoreland's request for additional soldiers which would bring the total of American military personnel in Vietnam up to 117,000, plus 20,000 third-country troops, by November 1. General Nguyễn Văn Thiệu was appointed by the military junta as President of South Vietnam. Senator J. William Fulbright, Chairman of the Senate Committee on Foreign Relations said on national television that the U.S. should negotiate directly with North Vietnam and make "major concessions" to end the Vietnam War. Fulbright's statement was criticized by prominent Republicans; former Vice President Richard Nixon said that negotiations