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RDS-3 was the third atomic bomb developed by the Soviet Union in 1951, after the famous 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]


RDS-3 was tested on October 18, 1951, being air-dropped. It was the first such test of a nuclear device by the Soviets, known as Joe-3 in the West. It was detonated at an altitude of four-hundred meters.

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  1. ^ Bukharin, Oleg; Kadyshev, Timur; Miasnikov, Eugene; Sutyagin, Igor; Tarasenko, Maxim; Zhelezov, Boris (2001). Podvig, Pavel, ed. "Soviet Strategic Nuclear Forces". Cambridge, Massachusetts: The MIT Press.