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Department of Homeland Security - Sub-Departments

The Department of Homeland Security strives to preserve the freedom of the United States from those who attempt to disturb that freedom. They work to centralize information and strategic operation in order to better provide counterterrorism and uphold the security of the national border. [7]

This page contains a list of sub-departments that are a part of the Department of Homeland Security. This is an active list that is open to change, and it is meant to be a convenient public reference, not an official list. All the sub-departments listed below are referenced from this department's government website [1], where an official list may be accessed.


Citizenship and Immigration Services Ombudsman

Civil Rights and Civil Liberties

Critical Infrastructure Partnership Advisory Council

Directorate for Management

Directorate for National Protection and Programs

Directorate for Science and Technology

Domestic Nuclear Detection Office

Federal Emergency Management Agency (FEMA)

Federal Law Enforcement Training Center

Homeland Security Advisory Council

Homeland Security Science and Technology Advisory Committee

Interagency Coordinating Council on Emergency Preparedness and Individuals with Disabilities

Military Advisor's Office

National Infrastructure Advisory Council

Office of Counternarcotics Enforcement (CNE)

Office of the Executive Secretariat (ESEC)

Office of the General Counsel

Office of Health Affairs

Office of Inspector General

Office of Intergovernmental Affairs (IGA)

Office of Intelligence and Analysis

Office of Legislative Affairs

Office of Operations Coordination

Office of Policy

Office of Public Affairs

Privacy Office

Task Force on New Americans

Transportation Security Administration (TSA)

United States Citizenship and Immigration Services

United States Coast Guard

United States Customs and Border Protection (CBP)

United States Immigration and Customs Enforcement (ICE)

United States Secret Service


  1. 'Department Subcomponents and Agencies.' Department of Homeland Security. 06-07-2010. <>.


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