Russia will display a replica of the most powerful nuclear device ever to be exploded - the Soviet "Tsar Bomba" - near the Kremlin in Moscow next month. The AN-602 hydrogen bomb casings will be the main draw at an exhibition devoted to Russia's atomic achievements since 1945, at the Manezh centre. Read more
Tsar Bomba is the nickname for the AN602 hydrogen bomb, the most powerful nuclear weapon ever detonated. Developed by the Soviet Union, the bomb was originally designed to have a yield of about 100 megatons of TNT (420 PJ); however, the bomb yield was reduced to 50 megatons in order to reduce nuclear fallout. Only one bomb of this type was ever built and it was tested on October 30, 1961, in the Novaya Zemlya archipelago. Read more