1972 in the Vietnam War 1972 in the Vietnam War 1972 in the Vietnam War saw foreign involvement in South Vietnam slowly declining. Two allies, New Zealand and Thailand, which had contributed a small military contingent, left South Vietnam this year. The United States continued to participate in combat, primarily with air power to assist the South Vietnamese army, while negotiators in Paris tried to hammer out a peace agreement and withdrawal strategy for the United States. One American operation that was declassified years after the war was Operation Thunderhead, a secret mission that attempted to rescue POWs. U.S. military personnel in South Vietnam numbered
1968 in the Vietnam War 1968 in the Vietnam War The year 1968 saw major developments in the Vietnam War. The military operations started with an attack on a US base by the Vietnam People's Army (NVA) and the Viet Cong on January 1, ending a truce declared by the Pope and agreed upon by all sides. At the end of January, the North Vietnamese and the Viet Cong launched the Tet Offensive. Hanoi erred monumentally in its certainty that the offensive would trigger a supportive uprising of the population. NVA and Viet Cong troops throughout the South, from Hue to the Mekong Delta, attacked