Operation Totem Operation Totem 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. In addition to the two main tests, there was a series of five subcritical tests. These did not produce nuclear explosions, but used conventional explosives, polonium-210, beryllium and
Action of 12 October 1950 be destroyed during operations in that area. Sometime in 1952, Lieutenant McMullen received an anonymous package containing the "Pirate"s battle flag and on May 28, 1985, it was donated to the Naval Historical Center and is on display at the Korean War exhibit. Action of 12 October 1950 The Action of 12 October 1950 was a battle fought during the Korean War. While conducting Operation Wonsan against sea mines in Wonsan Harbor, a squadron of US Navy warships was attacked by North Korean Army (KPA) batteries. During the operation, two US ships struck mines and sank while the remaining vessels