wae XII. AfNUCLEAR DEFENSE LABORATORY TECHNICAL MEMORANDA. (NDL-TM) NDL-TM-1 ~ / - A CLANDESTINE ANTI-AIRCRAFT DEVICE (U). Trathan Klein, May 1961. SECRET This report discusses the feasibility of a clandestine anti- aircraft device incorporating gallium metal. Specifically, this device employs gallium in the form of a pencil which would permit easy concealment. Application of the gallium to the aircraft results in destruction due to stress failure at the point of application.

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