| Property | Value |
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| rdfs:label | |
| rdfs:comment | - The RDS-1, also known as Izdeliye 501 (device 501) and First Lightning, was used in the Soviet Union's first nuclear weapon test. The United States assigned it the code-name Joe-1, in reference to Joseph Stalin. It was exploded on 29 August 1949 at 7:00 AM at Semipalatinsk, Kazakh SSR, after a top-secret research and development project.
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| dcterms:subject | |
| abstract | - The RDS-1, also known as Izdeliye 501 (device 501) and First Lightning, was used in the Soviet Union's first nuclear weapon test. The United States assigned it the code-name Joe-1, in reference to Joseph Stalin. It was exploded on 29 August 1949 at 7:00 AM at Semipalatinsk, Kazakh SSR, after a top-secret research and development project.
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