"Porton Down" meaning in English

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          "ref": "2025 January 24, “How red flags over Southport killer were repeatedly missed”, in BBC:",
          "text": "Tests at Porton Down, the government's biological warfare laboratory, confirmed the substance was ricin, a poison for which there is no cure.",
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        "A science park near Porton, Wiltshire, England that is home to two British military research facilities"
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  "word": "Porton Down"
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