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Two ammunition ships explode at Port Chicago, Calif., killing 322, including 202 African-Americans assigned by the Navy to handle explosives. It was the worst home-front disaster of World War II. The resulting refusal of 258 African-Americans to return to the dangerous work underpinned the trial and conviction of 50 of the men in what is called the Port Chicago Mutiny - 1944 Still from "The Great Port Chicago Explosion" video
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