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      Site LinksOperational and Support Components
A listing of all Operational and Support Components that currently make up the Department of Homeland Security.
      
      U.S. Citizenship and Immigration Services (USCIS)Image
              DHS seal and USCIS wordmark
                                                      USCIS is the federal agency that oversees lawful immigration to the United States.
                                                        USCIS
                                                                          
                      United States Coast Guard (USCG)Image
              United States Coast Guard (USCG)
                                                      USCG is the only military organization within DHS and protects the maritime economy and the environment, defends our maritime borders, and saves those at risk.
                                                        USCG
                                                                          
                      United States Customs and Border Protection (CBP)Image
              United States Customs and Border Protection (CBP)
                                                      CBP's priority mission is to keep terrorists and their weapons out of the U.S. CBP also secures and facilitates trade and travel while enforcing regulations, including immigration and drug laws.
                                                        CBP
                                                                          
                      Cybersecurity and Infrastructure Security Agency (CISA)Image
              Card - Cybersecurity and Infrastructure Security Agency (CISA)
                                                      CISA leads the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure.
                                                        CISA
                                                                          
                      Federal Emergency Management Agency (FEMA)Image
              Federal Emergency Management Agency (FEMA)
                                                      FEMA supports our citizens and first responders to build, sustain, and improve our capability to prepare for, protect against, respond to, recover from, and mitigate all hazards.
                                                        FEMA
                                                                          
                      Federal Law Enforcement Training Center (FLETC)Image
              Federal Law Enforcement Training Center (FLETC)
                                                      FLETC provides career-long training to law enforcement professionals to help them fulfill their responsibilities safely and proficiently.
                                                        FLETC
                                                                          
                      United States Immigration and Customs Enforcement (ICE)Image
              United States Immigration and Customs Enforcement (ICE)
                                                      ICE promotes homeland security and public safety through the criminal and civil enforcement of federal laws governing border control, customs, trade, and immigration.
                                                        ICE
                                                                          
                      United States Secret Service (USSS)Image
              United States Secret Service (USSS)
                                                      USSS safeguards the nation's financial infrastructure and payment systems to preserve the integrity of the economy, and protects national leaders, visiting heads of state and government, designated sites, and National Special Security Events.
                                                        USSS
                                                                          
                      Transportation Security Administration (TSA)Image
              Transportation Security Administration (TSA)
                                                      TSA protects the nation's transportation systems to ensure freedom of movement for people and commerce.
                                                        TSA
                                                                          
                      Management DirectorateImage
              Management Directorate
                                                      The Management Directorate is responsible for budget, appropriations, expenditure of funds, accounting and finance; procurement; human resources and personnel; information technology systems; facilities, property, equipment, and other material resources; providing biometric identification services; and identification and tracking of performance measurements relating to the responsibilities of the Department.
                                                        Management Directorate
                                                                          
                      Science and Technology Directorate (S&T)Image
              Science and Technology Directorate
                                                      S&T is the primary research and development arm of the Department. It provides federal, state and local officials with the technology and capabilities to protect the homeland.
                                                        Science and Technology Directorate
                                                                          
                      Countering Weapons of Mass Destruction Office (CWMD)Image
              Countering Weapons of Mass Destruction Office
                                                      CWMD works to prevent attacks against the United States using a weapon of mass destruction (WMD) through timely, responsive support to operational partners.
                                                        Countering Weapons of Mass Destruction Office
                                                                          
                      Office of Intelligence and AnalysisImage
              Office of Intelligence and Analysis
                                                      The Office of Intelligence and Analysis helps the Homeland Security Enterprise with the timely intelligence and information it needs to keep the homeland safe, secure, and resilient.
                                                        Office of Intelligence and Analysis
                                                                          
                      Office of Homeland Security Situational Awareness (OSA)Image
              Office of Homeland Security Situational Awareness
                                                      OSA provides operations coordination, information sharing, situational awareness, common operating picture, and executes the Secretary's responsibilities across the homeland security enterprise.
                                                        Office of Homeland Security Situational Awareness
                                                                          
                      Office of Health Security (OHS)Image
              The Office of Health Security (OHS) DHS logo with wordmark
                                                      OHS is the principal medical, workforce health and safety, and public health authority for DHS.
                                                        Office of Health Security
                                                                          
                      Ombudsman OfficesImage
              Citizenship and Immigration Services Ombudsman and Office of the Immigration Detention Ombudsman logos
                                                      An ombudsman analyzes, reports on, and raises complaints, concerns, and recommendations to the appropriate agency for resolution. This work is done with a commitment to neutrality, independence, and confidentiality. The ombudsman offices are separate and distinct from the agencies they oversee.
                                                        Ombudsman Offices

    Last Updated: 10/23/2023
  
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