“The island of Elugelab is missing.”
Gordon Dean
Chairman of the Atomic Energy Commission
summarizing the events to President Eisenhower

November 1st 2025 — On November 1st 1952, the United States detonated the first full-scale thermonuclear device on the island of Elugelab in Enewetak Atoll, in the Pacific Ocean, as part of Operation Ivy. It was the first full test of the Teller–Ulam design, a staged fusion device. Follow us on Twitter: @INTEL_TODAY
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