Homeland Security Components
- National Protection and Programs Directorate
- Science and Technology Directorate
- Office for Civil Rights and Civil Liberties
- U.S. Coast Guard
- Office of Counternarcotics Enforcement
- U.S. Customs and Border Protection
- Domestic Nuclear Detection Office
- Federal Law Enforcement Training Center
- Office of Health Affairs
- U.S. Immigration and Customs Enforcement
- Office of Intelligence and Analysis
- Office of Policy
- U.S. Secret Service
- Transportation Security Administration
![Current National Threat Level is elevated](https://webarchive.library.unt.edu/web/20090825123429im_/http://www.dhs.gov/threat_level/current_new.gif)
The threat level in the airline sector is High or Orange. Read more.
Activities & Programs
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Protecting, Analyzing & Sharing Information
Aviation Security
Cybersecurity
Chemical Security
Protecting Infrastructure
Law Enforcement
Protect Against Fraud & Counterfeiting
Secure Identification