1956 Soviet nuclear tests
| 1956 | |
|---|---|
| Information | |
| Country | Soviet Union |
| Test site | Ground Zero, Semipalatinsk, Kazakhstan; Kyzylorda, Kazakhstan |
| Period | 1956 |
| Number of tests | 9 |
| Test type | air drop, dry surface, high alt rocket (30–80 km), tower |
| Max. yield | 900 kilotonnes of TNT (3,800 TJ) |
| Test series chronology | |
The Soviet Union's 1956 nuclear test series was a group of 9 nuclear tests conducted in 1956. These tests followed the 1955 Soviet nuclear tests series and preceded the 1957 Soviet nuclear tests series.
| Name | Date time (UT) | Local time zone | Location | Elevation + height | Delivery, Purpose | Device | Yield | Fallout | References | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 Baykal (Joe 20) | 2 February 1956 | KIZT (5 hrs) | Launch from Kapustin Yar, Astrakhan 48°34′10″N 45°54′12″E / 48.56956°N 45.90346°E, elv: 0 + 0 m (0 + 0 ft); Detonation over Kyzylorda, Kazakhstan 47°59′02″N 62°00′40″E / 47.984°N 62.011°E | N/A + 0 | high alt rocket (30–80 km), weapon effect | 300 t | Full-scale test of R-5M rocket launched in Kapustin Yar, targeted near Priaralsk Karakum, Kazakhstan. A fizzle. | |||
| 26 (Joe 21) | 16 March 1956 05:00:?? | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan ~ 50°24′N 77°48′E / 50.4°N 77.8°E | 280 m (920 ft) + 0 | dry surface, weapons development | 14 kt | ||||
| 27 (Joe 22) | 25 March 1956 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan ~ 50°24′N 77°48′E / 50.4°N 77.8°E | 280 m (920 ft) + 1 m (3 ft 3 in) | dry surface, weapons development | 5.5 kt | ||||
| 28 (Joe 23) | 24 August 1956 00:15:?? | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan 50°27′22″N 77°46′23″E / 50.456°N 77.773°E | 280 m (920 ft) + 93 m (305 ft) | tower, weapons development | 27 kt | ||||
| 29 (Joe 24) | 30 August 1956 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan 50°25′N 77°47′E / 50.42°N 77.78°E | 280 m (920 ft) + 1,100 m (3,600 ft) | air drop, weapons development | TN | 900 kt | |||
| 30 (Joe 25) | 2 September 1956 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan ~ 50°24′N 77°48′E / 50.4°N 77.8°E | 280 m (920 ft) + 1,050 m (3,440 ft) | air drop, weapons development | 51 kt | ||||
| 31 (Joe 26) | 10 September 1956 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan ~ 50°24′N 77°48′E / 50.4°N 77.8°E | 280 m (920 ft) + 340 m (1,120 ft) | air drop, weapons development | 38 kt | ||||
| 32 (Joe 27) | 17 November 1956 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan 50°25′N 77°47′E / 50.42°N 77.78°E | 280 m (920 ft) + 2,000 m (6,600 ft) | air drop, weapons development | TN | 900 kt | |||
| 33 (Joe 28) | 14 December 1956 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan ~ 50°24′N 77°48′E / 50.4°N 77.8°E | 280 m (920 ft) + 1,965 m (6,447 ft) | air drop, weapons development | 40 kt |