Operation Redwing
Nuclear test Operation Redwing
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Redwing Apache |
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nation | United States |
Test location | Marshall Islands |
Period | May – July 1956 |
Number of tests | 17th |
Test type | Above-ground tests |
Weapon type | Fission / Fusion |
Max. Explosive force | 5 MT |
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Previous test | Project 56 |
Next test | Project 57 |
The operation Redwing was the thirteenth series of American nuclear tests between May 4 and 21 July 1956 on the Marshall Islands in the Pacific was conducted. A total of 17 nuclear weapons were tested above ground. The operation was conducted to test powerful thermonuclear nuclear weapons that could not be tested on the Nevada Test Site .
The individual tests of the Redwing series
The bombs were named after Indian tribes .
bomb | Date / Time ( GMT ) |
place | Explosion height | Test type | Explosive force (predicted) | Remarks |
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lacrosse | May 4, 1956 6:25 pm |
Eniwetok Atoll Runit Island |
Surface test | 40 kT (25-50 kT) |
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Cherokee | May 20, 1956 5:51 p.m. |
Bikini Atoll Namu Island |
1300 meters | Dropped from a B-52 bomber | 3.8 MT | The test was a reaction to the airdrop test of a Soviet atomic bomb in November 1955. The test was primarily intended as a show of force against the Soviet Union. Cherokee was a thermonuclear hydrogen bomb based on the Teller-Ulam design . In contrast to the normal version of this type, the coating of the lithium deuteride in this case consisted of highly enriched uranium. |
Zuni | May 27, 1956 5:56 p.m. |
Bikini Atoll Eninman Island |
Surface test | 3.5 MT (2-3 MT) |
Redwing Zuni was the first test of an American thermonuclear bomb in a three-stage design (FFF: "Fission-Fusion-Fission"). The explosion created a 30 meter deep crater with a diameter of 800 meters | |
Yuma | May 27, 1956 7:56 p.m. |
Eniwetok Atoll Aomon Island |
tower | 0.19 kT | ||
Erie | May 30, 1956 6:15 p.m. |
Eniwetok Atoll Runit Island |
90 meters | tower | 14.9 kT | Testing a prototype for the Mark-28 fusion bomb |
Seminole | June 6, 1956 12:55 AM |
Eniwetok Atoll Bogon Island |
Surface test | 13.7 kT (10 kT) |
Test of the first firing stage of the Mark-28 fusion bomb. The aim of Seminole was to test the formation of a crater under controlled conditions, the test created a 14-meter-deep crater with a diameter of 200 meters. The bomb was detonated in a water tank to simulate an underground explosion. | |
Flathead | June 11, 1956 6:26 pm |
Bikini Atoll in front of the island of Iroij |
4 meters | Barge | 365 kT | |
Blackfoot | June 11, 1956 6:26 pm |
Eniwetok Atoll Runit Island |
60 meters | tower | 8 kT | |
Kickapoo | June 13, 1956 11:26 PM |
Eniwetok Atoll Aomon Island |
90 meters | tower | 1.49 kT | |
Osage | June 16, 1956 1:14 am |
Eniwetok Atoll Runit Island |
approx. 200 meters | Dropped from a B-36 bomber | 1.7 kT | |
Inca | June 21, 1956 9:26 pm |
Eniwetok Atoll Rujoru Island |
60 meters | tower | 15.2 kT (10-15 kT) |
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Dakota | June 25, 1956 6:06 p.m. |
Bikini Atoll Bikini Lagoon |
4 meters | Barge | 1.1 MT (800 kT) | Test of a prototype for the W-28 warhead. The explosive force of the 814 kilogram bomb was about 25% higher than previously calculated |
Mohawk | Jul 2, 1956 6:06 p.m. (GMT) |
Eniwetok Atoll Eberiru Island |
90 m | tower | 360 kT | The test of a two-stage fusion bomb created a crater 2.5 meters deep and 400 meters in diameter. |
Apache | July 8, 1956 6:06 p.m. |
Eniwetok Atoll crater from Ivy Mike |
4.50 meters | Barge | 1.85 MT | The radioactive cloud created by testing a prototype for the W-27 thermonuclear warhead rose to a height of 26 kilometers. |
Navajo | July 10, 1956 5:56 p.m. |
Bikini Atoll reef between the islands of Namu and Yurochi |
Barge | 5 MT | ||
Tewa | July 20, 1956 5:46 p.m. |
Bikini Atoll reef between the islands of Namu and Yurochi |
Barge | 5 MT (6-8 MT) | After Zuni and Ivy Mike, Tewa was the third American hydrogen bomb with a three-stage design (Fission-Fusion-Fission). | |
Huron | July 21, 1956 6:12 p.m. |
Eniwetok Atoll Near Flora Island |
5 meters | Barge | 270 kT | Test of a two-stage fusion bomb |
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Web links
Commons : Operation Redwing - collection of images, videos and audio files