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
Atomic: The Very Best of Blondie as a limited edition 2-CD set titled "Atomic/Atomix: The Very Best of Blondie", including a second disc of previously available remixes with the exception of another new remix of the title track. In 2011, the compilation was reissued again as a single disc with identical track listing, but with the title being changed to "Essential", which was certified Gold in September 2018. Atomic: The Very Best of Blondie Atomic: The Very Best of Blondie is a compilation album of recordings by the band Blondie released by EMI/Chrysalis Records in the UK and the rest of Europe in late 1998, at