The first Soviet nuclear test, code named "First Lightning", detonated a plutonium bomb, the RDS-1. At Beria's insistence, this device was an exact copy of the U.S. Gadget/Fat Man design. 29 August 1949 Semipalatinsk Test Site, Kazakhstan.
The first Soviet nuclear test, code named "First Lightning", detonated a plutonium bomb, the RDS-1. At Beria's insistence, this device was an exact copy of the U.S. Gadget/Fat Man design. 29 August 1949 Semipalatinsk Test Site, Kazakhstan
Credit:
Album / Universal Images Group / Universal History Archive