Operation Totem was a pair of British atmospheric nuclear tests which took place at Emu Field in South Australia on 15 October 1953 . They followed the Operation Hurricane test of the first British atomic bomb , which had taken place at the Montebello Islands a year previously . The main purpose of the trial was to determine the acceptable limit on the amount of plutonium-240 which could be present in a bomb
Operation Hurricane
Operation Hurricane
Operation Totem