1958 US–UK Mutual Defence Agreement as an atomic spy, caused the proposal to be dropped. The June 1951 defection of Donald Maclean, who had served as a British member of the Combined Policy Committee from January 1947 to August 1948, reinforced the Americans' distrust of British security arrangements. The first British atomic bomb was successfully tested in Operation Hurricane on 3 October 1952, but although it was more advanced than the American bombs of 1946, Britain was still several years behind in nuclear weapons technology. The United States conducted Ivy Mike, the first nuclear test of a true thermonuclear device (also known as a hydrogen
UK Clinical Aptitude Test to study medicine or dentistry at the following university Medical and Dental Schools: UK Clinical Aptitude Test The UK Clinical Aptitude Test (UKCAT) is a test used in the selection process by a consortium of UK university Medical and Dental Schools. It is run by the UKCAT Consortium, currently chaired by Nigel Siesage, in partnership with Pearson VUE. It was first introduced in 2006. The test is designed to give information on the candidates' cognitive abilities through four reasoning tests, with a fifth test, the situational judgement test testing attitudes and professional behaviour. The test is used by the majority