Enewetak Atoll

Enewetak Atoll is a coral atoll in the Marshall Islands. The United States conducted 43 nuclear weapons tests there from 1948 to 1958.

Ivy Mike: The first full-scale test of a thermonuclear device, detonated by the United States at Enewetak in 1952. This test vaporized Elugelab island and marked a major escalation in the atoll's test history.
Nuclear fallout: Radioactive particles produced by a nuclear explosion that settle from the atmosphere onto land and water. Fallout from tests spread contamination beyond the immediate blast areas.
Operation Crossroads: A 1946 U.S. series of nuclear weapon tests at Bikini Atoll. It preceded the Pacific test program that later expanded to Enewetak.
Nuclear weapon: A weapon that releases energy through nuclear fission, fusion, or both. The devices tested at Enewetak were experimental forms of nuclear weapons.
Enewetak people: The Marshallese community whose homeland is Enewetak Atoll. Their displacement and return frame the human history of testing at the atoll.
Castle Bravo: The most powerful nuclear test conducted by the United States, detonated at Bikini Atoll in 1954. Its radioactive fallout contaminated inhabited Marshall Islands and shaped later debates about test impacts.
Nuclear testing and health effects: The short- and long-term health consequences associated with exposure to nuclear-test radiation. Radiation exposure remains central to claims and research concerning Marshallese communities.
Pacific Proving Grounds: A U.S. nuclear testing area in the central Pacific that included Enewetak and Bikini atolls. Enewetak served as one of the principal sites within this larger military testing zone.
Thermonuclear weapon: A nuclear weapon that uses fusion reactions, typically initiated by a fission explosion, to produce a large yield. The atoll hosted early U.S. tests of weapons based on thermonuclear reactions.
Marshallese people: The Indigenous people of the Marshall Islands, with distinct communities across the country's atolls. The Enewetak community's experience forms part of the wider Marshallese history of nuclear testing.

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