Uploaded May 2023 | Updated September 2026, 2 weeks ago

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Operation Sailor Hat was a series of explosives effects tests, conducted by the United States Navy Bureau of Ships under the sponsorship of the Defense Atomic Support Agency.[1] The tests consisted of two underwater explosions at San Clemente Island, California in 1964[2] and three surface explosions at Kahoʻolawe, Hawaii in 1965. They were non-nuclear tests employing large quantities of conventional explosives (TNT and HBX) to determine the effects of a nuclear weapon blast on naval vessels, and the first major test of this kind since Operation Crossroads in July 1946. #documentary
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