Concerns are rising about the threat of an EMP (ElectroMagnetic Pulse) attack, aimed at destroying our electronic guts. What if our computers and other electronics didn't work? What if electronic records of your bank account were immobilized? What would happen to our technology—dependent transportation, financial, and production systems?

America's vulnerability to EMP (ElectroMagnetic Pulse) attack looms large in the minds of many. Public attention was focused on the topic by the release in 2005 of a government—sponsored study by the congressional Commission to Assess the Threat to the United States from Electromagnetic Pulse Attack. The results were further publicized by Frank J. Gaffney in a widely—read article, 'EMP: America's Achilles' Heel',