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
Australian–Thai Peace Treaty end its state of war with Britain and accept Britain's peace terms. It insisted on the trial of collaborators with the Japanese—which the Thais resented—and on reparations in relation to the tin mines. The Thais did try and imprison former Prime Minister Plaek Phibunsongkhram in order to forestall any Allied tribunal before signing the Anglo-Thai Peace Treaty on 1 January 1946. After the British peace treaty, Eastman exchanged notes with the Thai negotiator, Prince Vivadhanajaya Jayanta, confirming that a separate treaty with Australia would be signed no later than 3 April. The government in Canberra considered withdrawing him from Bangkok