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Homeland Security

Prevent Terrorism and Enhance Security

USA Flag flying on ship in New York HarborProtecting the American people from terrorist threats is our founding principle and our highest priority. The Department of Homeland Security's counterterrorism responsibilities focus on three goals:

  1. Prevent terrorist attacks;
  2. Prevent the unauthorized acquisition, importation, movement, or use of chemical, biological, radiological, and nuclear materials and capabilities within the United States; and
  3. Reduce the vulnerability of critical infrastructure and key resources, essential leadership, and major events to terrorist attacks and other hazards.


Global Aviation Security
Cargo Screening
Enhance National Preparedness and Support State and Local Law Enforcement
Strengthen International Partnerships
Critical Infrastructure Protection

Last Published Date: July 20, 2015

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