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 of a full division of American troops. Ambassador Taylor had not been present at the meeting and he protested that "Recent actions relating to the introduction of U.S. ground forces have tended to create an eagerness in some quarters to deploy forces into SVN (South Vietnam) which I find difficult to understand." Taylor opposed the introduction of American ground troops for offensive operations, believing they should be restricted to coastal "enclaves." General Westmoreland disagreed, believing that enclaves were "an inglorious, static use of U.S. forces...that would leave the decision of when and where to strike to the enemy." In Washington,