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
1968 in the Vietnam War Khe Sanh began with an assault by the PAVN on a hill held by U.S. Marines. Khe Sanh is in northwestern Quảng Trị Province, near the Demilitarized Zone. The combatants were elements of the U.S. III Marine Amphibious Force (III MAF) and Army of the Republic of Vietnam (ARVN) against two to three PAVN division-size elements. NVA General Võ Nguyên Giáp later explained that his objective was to create a diversion to draw U.S. forces away from the populated areas of South Vietnam. Khe Sanh diverted 30,000 US troops away from the cities that would be the main targets of