RDS-3 was the third atomic bomb developed by the Soviet Union in 1951, after the RDS-1 and RDS-2. It was called Marya in the military. The bomb had a composite design with a plutonium core inside a uranium shell, providing an explosive power of 41.2 kilotons.[1] The RDS-3T was a modernized version and the first mass-produced nuclear weapon by the Soviet Union. It was assigned to Long Range Aviation in 1953.[1]
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