The Counterterrorism, Borders, and Immigration (CBI) Mission Area exists to inform the decisions of headquarters and component staffs in reducing risk and allocating scarce resources against terrorist threats to our Nation.
The Resiliency and Emergency Preparedness/Response (REP) Mission Area supports all activities associated with preparing for, responding to, recovering from, and mitigating incidents across the all-hazards spectrum.
The Maturing and Strengthening the Homeland Security Enterprise Mission Area is concerned with the processes used to manage the delivery of services to the homeland security enterprise.