The United States Department of Homeland Security: An Overview, 2Eis the single source to help you understand the Department of Homeland Security. It provides a comprehensive overview of the Department's history, mission, organization, and programs designed to reduce America's vulnerability to attack and quickly recover from disaster. Learn about: The Terrorist Threat Natural Disasters Homeland Security Strategy Intelligence & Warning Critical Infrastructure Protection Border and Transportation Security Domestic Counterterrorism Emergency Preparedness & Response Defending Against Catastrophic Threats First Responders State & Local Fusion Centers The National Guard Homeland Security's Past Homeland Security's Future This book takes a strategic look at the Department of Homeland Security and answers the key questions: “what is DHS?”, “why do we need it?”, and “how does it protect America?”.