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| RDS-37 | |
|---|---|
| Information | |
| Country | Soviet Union |
| Test site | Semipalatinsk Test Site, Kazakh SSR |
| Period | November 1955 |
| Number of tests | 1 |
| Test type | Atmospheric test |
| Device type | Fusion |
| Max. yield | Total yield 1.6 megatons of TNT (6.7 PJ) |
| Test chronology | |
RDS-37 was the Soviet Union's first two-stage hydrogen bomb, first tested on 22 November 1955. The weapon had a nominal yield of approximately 3 megatons. It was scaled down to 1.6 megatons for the live test.[1]