Tube Alloys the features, science and idea behind the American Fat Man implosion-type nuclear weapon. He broke down the development tasks required to replicate it, identifying outstanding questions that required further research on nuclear weapons. On 3 October 1952, under the code-name "Operation Hurricane", the first British nuclear device was successfully detonated in the Monte Bello Islands off the west coast of Australia. The Sputnik crisis and the development of the British hydrogen bomb led to the Atomic Energy Act being amended in 1958, and to a resumption of the nuclear Special Relationship between America and Britain under the 1958 US–UK Mutual
Life in the United Kingdom test based on factual information about what the test required, and in particular a semi-serious BBC-devised test was often quoted as being the real thing. Upon its publication, the associated handbook was widely criticised. Particular criticism was reserved for the section on the UK's history, which was described by the "Guardian" as a "turgid, abysmal piece of writing," filled with "factual errors, sweeping generalisations [and] gross misrepresentations." The UK Border Agency acknowledged that the first edition of the handbook "did not fulfil [its] role particularly well." In 2008, Lord Goldsmith stated in a report on citizenship that the test "is not