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  2. Transportation Security Administration - Wikipedia

    en.wikipedia.org/wiki/Transportation_Security...

    The Transportation Security Administration ( TSA) is an agency of the United States Department of Homeland Security (DHS) that has authority over the security of transportation systems within, and connecting to, the United States. It was created as a response to the September 11 attacks to improve airport security procedures and consolidate air ...

  3. Federal Air Marshal Service - Wikipedia

    en.wikipedia.org/wiki/Federal_Air_Marshal_Service

    The Federal Air Marshal Service ( FAMS) is a United States federal law enforcement agency under the supervision of the Transportation Security Administration (TSA) of the United States Department of Homeland Security (DHS). Because of the nature of their occupation, federal air marshals (FAMs) travel often.

  4. United States Citizenship and Immigration Services - Wikipedia

    en.wikipedia.org/wiki/United_States_Citizenship...

    t. e. U.S. Citizenship and Immigration Services ( USCIS) [3] is an agency of the United States Department of Homeland Security (DHS) that administers the country's naturalization and immigration system. It is a successor to the Immigration and Naturalization Service (INS), which was dissolved by the Homeland Security Act of 2002 and replaced by ...

  5. United States Department of Homeland Security - Wikipedia

    en.wikipedia.org/wiki/United_States_Department...

    The United States Department of Homeland Security ( DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management.

  6. U.S. Immigration and Customs Enforcement - Wikipedia

    en.wikipedia.org/wiki/U.S._Immigration_and...

    Website. ice.gov. U.S. Immigration and Customs Enforcement ( ICE / aɪs /) is a federal law enforcement agency under the U.S. Department of Homeland Security. ICE's stated mission is to protect the United States from cross-border crime and undocumented immigration that threaten national security and public safety.

  7. Visible Intermodal Prevention and Response team - Wikipedia

    en.wikipedia.org/wiki/Visible_Intermodal...

    A Visible Intermodal Prevention and Response team, sometimes Visible Intermodal Protection and Response ( VIPR) is a Transportation Security Administration program. Various government sources have differing descriptions of VIPR's exact mission. It is specifically authorized by 6 U.S.C. § 1112 which says that the program is to "augment the ...

  8. U.S. Customs and Border Protection - Wikipedia

    en.wikipedia.org/wiki/U.S._Customs_and_Border...

    United States Customs and Border Protection (CBP) is the largest federal law enforcement agency of the United States Department of Homeland Security.It is the country's primary border control organization, charged with regulating and facilitating international trade, collecting import duties, as well as enforcing U.S. regulations, including trade, customs and immigration.

  9. List of U.S. security clearance terms - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._security...

    Investigations. The following investigations are used in clearance determinations: [12] ANACI (Access National Agency Check with Inquiries) – Initial Confidential, Secret, L, LX; only used for civilian employees. NACLC (National Agency Check with Law and Credit) – Initial Confidential, Secret, L, LX; reinvestigations.