The Department of Homeland Security (DHS) has a vital mission: to secure the nation from the many threats we face. This requires the hard work of more than 260,000 employees in jobs that range from aviation and border security to emergency response, from cybersecurity analyst to chemical facility inspector. Our duties are wide-ranging, and our goal is clear - keeping America safe. Mission 1: Counter Terrorism and Homeland Security Threats Mission 2: Secure U.S. Borders and Approaches Mission 3: Secure Cyberspace and Critical Infrastructure Mission 4: Preserve and Uphold the Nation's Prosperity and Economic Security Mission 5: Strengthen Preparedness and Resilience Mission 6: Champion the DHS Workforce and Strengthen the Department We continually strengthen our partnerships with communities, first responders, law enforcement and government agencies - at the state, local, tribal, federal and international levels. We are accelerating the deployment of science, technology, and innovation in order to make America more secure. And we are becoming leaner, smarter, and more efficient, ensuring that every security resource is used as effectively as possible. Together, we are committed to relentless resilience, striving to prevent future attacks against the United States and our allies, responding decisively to natural and man-made disasters, and advancing American prosperity and economic security long into the future.