Washington, DC, Sept. 11, 2006 -- Secretary of the Department of Homeland Security, Michael Chertoff, talks to DHS employees at the Reagan Office Building to remember September 11, 2001. DHS is made up of several component departments: Directorate for Preparedness, Science and Technology (R&D), Management, Policy and FEMA (Federal Emergency Management Agency). Other components of DHS are Operations Coordination, Domestic Nuclear Detection Office, Transportation Security Administration (TSA), US Customs and Border Protection (CBP), US Immigration and Customs Enforcement (ICE), Federal Law Enforcement Training Center, US Citizenship and Immigration Services, the US Coast Guard and the US Sec