RDS-37
| RDS-37 | |
|---|---|
| RDS-37 in testing (1955) | |
| 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 (Russian: РДС-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.