This hearing report discusses the threat of an electromagnetic pulse (EMP) attack on the United States. The Commission was formed to assess the risk of such an attack and propose recommendations for mitigation. The report includes testimony from experts in the field of EMP and national security, as well as the Commission's findings and recommendations. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.