Trident (UK nuclear programme) Agreement merged with the American Manhattan Project to create a combined American, British, and Canadian project. The British government expected that the United States would continue to share nuclear technology, which it regarded as a joint discovery, but the United States Atomic Energy Act of 1946 (McMahon Act) ended technical co-operation. Fearing a resurgence of United States isolationism, and Britain losing its great power status, the British government resumed its own development effort. The first British atomic bomb was tested in Operation Hurricane on 3 October 1952. The subsequent British development of the hydrogen bomb, and a fortuitous international relations
Atomic veteran represented by Association Moruroa E Tatou. The organisation has been critical of the French government's initial denial of harm, and limited commitment to compensation to total value of $13.5 million. The president of Association Moruroa E Tatou estimates that between 15,000 and 30,000 people worked on the test program, but the official number remains a national secret. Australian servicemen supported British nuclear weapons test programs at Emu Field, Maralinga, the Montebello Islands and Christmas Island during period 1952-1963. Associations representing Australian atomic veterans include the Australian Nuclear Veterans Association. and the Australian Ex-Servicemen Atomic Survivors Association. The Clarke Review of