Learn more about how The Department of Homeland Security (DHS) was created through the combination of all or part of 22 different federal departments and agencies into a unified, integrated Department and how DHS has become a more effective Department.
| Lead up to 9/11 | Today |
|---|---|
| The U.S. Customs Service (Treasury) | U.S. Customs and Border Protection - inspection, border and ports of entry responsibilities
U.S. Immigration and Customs Enforcement - customs law enforcement responsibilities |
| The Immigration and Naturalization Service (Justice) | U.S. Customs and Border Protection - inspection functions and the U.S. Border Patrol
U.S. Immigration and Customs Enforcement - immigration law enforcement: detention and removal, intelligence, and investigations U.S. Citizenship and Immigration Services - adjudications and benefits programs |
| The Federal Protective Service | U.S. Immigration and Customs Enforcement until 2009); currently resides within the National Protection and Programs Directorate |
| The Transportation Security Administration (Transportation) | Transportation Security Administration |
| Federal Law Enforcement Training Center (Treasury) | Federal Law Enforcement Training Center |
| Animal and Plant Health Inspection Service (part)(Agriculture) | U.S. Customs and Border Protection - agricultural imports and entry inspections |
| Office for Domestic Preparedness (Justice) | Responsibilities distributed within FEMA |
| The Federal Emergency Management Agency (FEMA) | Federal Emergency Management Agency |
| Strategic National Stockpile and the National Disaster Medical System (HHS) | Returned to Health and Human Services, July, 2004 |
| Nuclear Incident Response Team (Energy) |
Responsibilities distributed within FEMA |
| Domestic Emergency Support Teams (Justice) | Responsibilities distributed within FEMA |
| National Domestic Preparedness Office (FBI) |
Responsibilities distributed within FEMA |
| CBRN Countermeasures Programs (Energy) | Science & Technology Directorate |
| Environmental Measurements Laboratory (Energy) | Science & Technology Directorate |
| National BW Defense Analysis Center (Defense) | Science & Technology Directorate |
| Plum Island Animal Disease Center (Agriculture) | Science & Technology Directorate |
| Federal Computer Incident Response Center (GSA) | US-CERT, Office of Cybersecurity and Communications in the National Protection and Programs Directorate |
| National Communications System (Defense) | Office of Cybersecurity and Communications in the National Protection and Programs Directorate |
| National Infrastructure Protection Center (FBI) | Spread throughout the Department, including Office of Homeland Security Situational Awareness and Office of Infrastructure Protection |
| Energy Security and Assurance Program (Energy) |
Integrated into the Office of Infrastructure Protection |
| U.S. Coast Guard | U.S. Coast Guard |
| U.S. Secret Service | U.S. Secret Service |
The following three directorates, created by the Homeland Security Act of 2002 were abolished by a July 2005 reorganization and their responsibilities transferred to other departmental components:
- Border and Transportation Security
- Emergency Preparedness and Response
- Information Analysis and Infrastructure Protection
See the Organizational Chart for the Department of Homeland Security.