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Caption: 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
Category: UIG HISTORY
Credit: Album / Universal Images Group / Universal History Archive
Image size: 6200 × 4570 px | 81.1 MB
Print size: 52.5 × 38.7 cm | 2440.9 × 1799.2 in (300 dpi)