Operation Grapple Burgess and Donald Maclean in 1951. Fearing a resurgence of American isolationism and Britain losing its great power status, the British government restarted its own development effort, now codenamed High Explosive Research. The successful test of an atomic bomb in Operation Hurricane in October 1952 represented an extraordinary scientific and technological achievement. Britain became the world's third nuclear power, reaffirming the country's status as a great power, but hopes that the United States would be sufficiently impressed to restore the Special Relationship were soon dashed. In November 1952, the United States conducted Ivy Mike, the first successful test of a
UK Atomic Energy Authority Constabulary the UKAEA Constabulary), protecting sixteen atomic sites and protecting transportation of nuclear materials around the United Kingdom. UK Atomic Energy Authority Constabulary The United Kingdom Atomic Energy Authority Constabulary was the armed security police force of the United Kingdom Atomic Energy Authority. The force existed for 50 years, until 1 April 2005. On 1 April 2005, the Civil Nuclear Constabulary (CNC) was established in adherence to the Energy Act 2004, replacing the UKAEA Constabulary largely because a number of nuclear sites were poorly guarded, and that a force with more specialist attributes was needed to combat the possibility of terrorist