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A cellphone rigged as a detonator for an improvised explosive device is shown in a 2011 photo from the U.S. Department of Defense. Photo courtesy of U.S. Army

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Northrop Delivers on Lifesaving Jamming Devices

Northrop Grumman Corp. said this month that it delivered all of its JCREW software-programmable signal jammers created during the program’s low-rate initial production phase. Final delivery of the dismounted systems was in June.

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