Weapons of mass destruction were defined by the U.S. military, as late as the 1980s, as [[nuclear]], [[chemical]], and [[biological]] (or NBC) weapons designed to kill large numbers of personnel or civilians with a single device. Radiological weapons are also considered WMD.
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Weapons of mass destruction were defined by the U.S. military, as late as the 1980s, as [[nuclear]], [[chemical]], and [[biological]] (or NBC) weapons designed to kill large numbers of personnel or civilians with a single device. Radiological weapons are now also considered WMD.
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The phrase, "Weapons of Mass Destruction", can be traced as far back as 1937, in reference to the aerial bombing of [[Guernica]], Spain.