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
America in Vietnam context of the 2004 US Presidential Election. Presidential hopeful John Kerry had been involved with the Winter Soldier Investigation; in the context of the campaign, Lewy's suggestion that the Winter Soldier Investigation was dishonest and politically motivated was frequently cited to impugn John Kerry's reputation. Vietnam Veterans Against the War, the group of which Kerry had been a part, alleged that American troops had committed atrocities in Vietnam. Lewy suggests that the group used "fake witnesses" in the Winter Soldier hearing in Detroit, and that its allegations were formally investigated: The results of the investigation, carried out by the Naval