1955 | |
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Information | |
Country | Soviet Union |
Test site | Ground Zero, Semipalatinsk, Kazakhstan; NZ Area A, Chyornaya Guba, Novaya Zemlya, Russia |
Period | 1955 |
Number of tests | 7 |
Test type | air drop, dry surface, underwater |
Max. yield | 1.6 megatonnes of TNT (6.7 PJ) |
Test series chronology | |
The Soviet Union's 1955 nuclear test series [1] was a group of 7 nuclear tests conducted in 1955. These tests followed the 1954 Soviet nuclear tests series and preceded the 1956 Soviet nuclear tests series.
Name [note 1] | Date time (UT) | Local time zone [note 2] [2] | Location [note 3] | Elevation + height [note 4] | Delivery, [note 5] Purpose [note 6] | Device [note 7] | Yield [note 8] | Fallout [note 9] | References | Notes |
---|---|---|---|---|---|---|---|---|---|---|
19 (Joe 15) | 29 July 1955 02:00:?? | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan ~ 50°24′N77°48′E / 50.4°N 77.8°E | 280 m (920 ft) + 2 m (6 ft 7 in) | dry surface, weapons development | RDS-9 | 1.3 kt | [1] [3] [4] [5] [6] [7] | Tests of the T-5 torpedo warhead RDS-9. | |
20 (Joe 16) | 2 August 1955 03:00:?? | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan 50°22′19″N77°49′30″E / 50.372°N 77.825°E | 280 m (920 ft) + 2 m (6 ft 7 in) | dry surface, weapons development | RDS-9 | 12 kt | [1] [3] [4] [5] [6] [7] | Tests of the T-5 torpedo warhead RDS-9. | |
21 | 5 August 1955 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan 50°22′19″N77°49′30″E / 50.372°N 77.825°E | 280 m (920 ft) + 1 m (3 ft 3 in) | dry surface, weapons development | RDS-9 | 1.2 kt | [1] [4] [6] [7] [8] | Tests of the T-5 torpedo warhead RDS-9. | |
unnumbered #1 | 21 September 1955 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan 50°22′19″N77°49′30″E / 50.372°N 77.825°E | 280 m (920 ft) + | dry surface, | no yield | [1] [4] [5] [6] [7] | |||
22 (Joe 17) | 21 September 1955 05:00:54 | MSK (3 hrs) | NZ Area A, Chyornaya Guba, Novaya Zemlya, Russia 70°42′11″N54°36′00″E / 70.703°N 54.6°E | 0–12 m (39 ft) | underwater, weapon effect | RDS-9/T-5 torpedo | 3.5 kt | [1] [3] [5] [6] [9] [10] [11] | First test at NTSNZ of a torpedo design. 30 ships arrayed around the blast, some quite new. Sunk and damaged several. | |
23 (Joe 18) | 6 November 1955 04:50:?? | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan ~ 50°24′N77°48′E / 50.4°N 77.8°E | 280 m (920 ft) + 1,000 m (3,300 ft) | air drop, weapons development | RDS-27 | 250 kt | [1] [3] [4] [5] [6] [7] | aka RDS-27, boosted fission. | |
24 Binarnaya (Binary)? (Joe 19) | 22 November 1955 | ALMT (6 hrs) | Ground Zero, Semipalatinsk, Kazakhstan 50°25′N77°47′E / 50.42°N 77.78°E | 280 m (920 ft) + 1,550 m (5,090 ft) | air drop, weapons development | RDS-37 | 1.6 Mt | [1] [3] [4] [5] [6] [7] | aka RDS-37, Soviet superbomb. 2 stage radiation implosion (Sakharov's "third idea", the equivalent to the Teller-Ullam design). Two people were killed in collapses because an inversion layer focused the energy, 47 other injuries. |