About: Cannikin

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Cannikin was an underground nuclear weapons test performed on November 6, 1971, on Amchitka island, Alaska, by the United States Atomic Energy Commission. The experiment, part of the Operation Grommet nuclear test series, tested the unique W71 warhead design for the LIM-49 Spartan anti-ballistic missile. With an explosive yield of almost 5 megatons of TNT (21 PJ), the test was the largest underground explosion ever detonated by the United States.

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  • Cannikin va ser una prova d'armes nuclears subterrànies realitzada el 6 de novembre de 1971 a l'illa d'Amchitka (Alaska) per la Comissió de l'Energia Atòmica dels Estats Units. L'experiment, que va formar part de la sèrie de proves nuclears de l', va provar el disseny únic d'ogives W71 per al míssil antibalístic LIM-49 Spartan. Amb un rendiment explosiu de gairebé 5 megatons de TNT, la prova va ser la major explosió subterrània mai detonada pels Estats Units. Abans de la prova principal de cinc megatons el 1971, hi va haver una prova d'1 megatona a l'illa el 2 d'octubre de 1969, amb finalitats de calibratge, i per garantir que es pogués contenir la prova posterior de Cannikin. La prova Milrow es va incloure a la sèrie de proves nuclears de l'. La prova Cannikin es va enfrontar a una considerable oposició per motius ambientals. L'organització ecologista Greenpeace va sorgir entre els qui s'oposaven a aquesta prova. (ca)
  • Cannikin was an underground nuclear weapons test performed on November 6, 1971, on Amchitka island, Alaska, by the United States Atomic Energy Commission. The experiment, part of the Operation Grommet nuclear test series, tested the unique W71 warhead design for the LIM-49 Spartan anti-ballistic missile. With an explosive yield of almost 5 megatons of TNT (21 PJ), the test was the largest underground explosion ever detonated by the United States. Prior to the main five-megaton test in 1971, a 1 Mt (4.2 PJ) test took place on the island on October 2, 1969, for calibration purposes, and to ensure the subsequent Cannikin test could be contained. This test, Milrow, was included in the Operation Mandrel nuclear test series. The Cannikin test faced considerable opposition on environmental grounds. The campaigning environmental organization Greenpeace grew out of efforts to oppose the test. (en)
  • Cannikin foi um teste nuclear realizado pelos Estados Unidos, na ilha de , Alasca, no dia 6 de novembro de 1971. Com um rendimento de 5 Megatons, foi o teste subterrâneo mais potente da história. (pt)
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  • Cannikin foi um teste nuclear realizado pelos Estados Unidos, na ilha de , Alasca, no dia 6 de novembro de 1971. Com um rendimento de 5 Megatons, foi o teste subterrâneo mais potente da história. (pt)
  • Cannikin va ser una prova d'armes nuclears subterrànies realitzada el 6 de novembre de 1971 a l'illa d'Amchitka (Alaska) per la Comissió de l'Energia Atòmica dels Estats Units. L'experiment, que va formar part de la sèrie de proves nuclears de l', va provar el disseny únic d'ogives W71 per al míssil antibalístic LIM-49 Spartan. Amb un rendiment explosiu de gairebé 5 megatons de TNT, la prova va ser la major explosió subterrània mai detonada pels Estats Units. (ca)
  • Cannikin was an underground nuclear weapons test performed on November 6, 1971, on Amchitka island, Alaska, by the United States Atomic Energy Commission. The experiment, part of the Operation Grommet nuclear test series, tested the unique W71 warhead design for the LIM-49 Spartan anti-ballistic missile. With an explosive yield of almost 5 megatons of TNT (21 PJ), the test was the largest underground explosion ever detonated by the United States. (en)
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  • Cannikin (ca)
  • Cannikin (en)
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