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Report of the Commission to Assess the Threat to the United States from Electromagnetic Pulse (EMP) Attack : critical national infrastructures. Washington, D.C.: Government Printing Office, 2008. SUDOC: Y 3.2:IN 3/EL 2

The physical and social fabric of the United States is sustained by a system of systems; a complex and dynamic network of interlocking and interdependent infrastructures (“critical national infrastructures”) whose harmonious functioning enables the myriad actions, transactions, and information flow that undergird the orderly conduct of civil society in this country. The vulnerability of these infrastructures to threats — deliberate, accidental, and acts of nature — is the focus of greatly heightened concern in the current era, a process accelerated by the events of 9/11 and recent hurricanes, including Katrina and Rita.

The increasingly pervasive use of electronics of all forms represents the greatest source of vulnerability to attack by electromagnetic pulse (EMP). When a nuclear explosion occurs at high altitude, the EMP signal it produces will cover the wide geographic region within the line of sight of the detonation. This broad band, high amplitude EMP, when coupled into sensitive electronics, has the capability to produce widespread and long lasting disruption and damage to the critical infrastructures that underpin the fabric of U.S. society.

This report presents the results of the Commission’s assessment of the effects of a high altitude EMP attack on our critical national infrastructures and provides recommendations for their mitigation.

This document is available online: http://purl.access.gpo.gov/GPO/LPS101707

**Text is taken from the Preface of the document**