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
Military history of Australia during the Vietnam War the Many Flags program, hoping to counter the communist propaganda that South Vietnam was merely a US puppet state and to involve as many nations as possible. Thus Australia, as an ally of the United States with obligations under the Southeast Asia Treaty Organization (SEATO) and ANZUS Pacts, and in the hope of shoring up its alliance with the US, became involved in the Vietnam War. Between 1962 and 1972 it would send almost 60,000 personnel to Vietnam, including ground troops, naval forces and air assets, and would contribute large amounts of material to the war effort. While assisting the