Department of Homeland Security (DHS).

David P. Pekoske

Senior Official Performing the Duties of the Deputy Secretary

RDML Eric C. Jones, USCG

Military Advisor


To secure the nation from the many threats we face. This requires the dedication of more than 240,000 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.

Hundreds of thousands of people from across the federal government, state, local, tribal, and territorial governments, the private sector, and other nongovernmental organizations, play a role in executing our mission. These are the people who regularly interact with the public, who are responsible for public safety and security, who own and operate our nation's critical infrastructures and services, who perform research and develop technology, and who keep watch, prepare for, and respond to emerging threats and disasters. These homeland security professionals must have a clear sense of what it takes to achieve the overarching vision articulated above.


There are five homeland security missions:

  1. Prevent terrorism and enhance security

  2. Secure and manage our borders

  3. Enforce and administer our immigration laws

  4. Safeguard and secure cyberspace

  5. Ensure resilience to disasters

In achieving these goals, we are continually strengthening 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...

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