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Guam is assessed as having no specific foreign or domestic terrorism threat, according to the Department of Homeland Security and U.S. intelligence agencies. Guam has no metropolitan area that has been designated by the federal government as "high-threat, high-density" with regard to acts of terrorism. It is also one of 20 states and territories that had no terrorism-related convictions from Sept. 11, 2001, through March 2010, according to the Justice Department.

State security snapshot

Organizations working on homeland security and counterterrorism: 13

Organizations that started this work after 9/11: 5

61.5% Pre-9/11

38.5% Post-9/11

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For homeland security, Guam falls under Task Force Guam, a subordinate task force of the Joint Task Force - Homeland Defense (JTF-HD), a part of the U.S. Pacific Command, headquartered in Hawaii.

Law Enforcement
Law Enforcement
Includes organizations at the federal, state and local levels that have the police powers to make arrests and investigate criminal matters.
Emergency Management
Emergency Management
Organizations tasked with responding to natural disasters, attacks using weapons of mass destruction and other emergencies.
Homeland Security
Homeland Security
Organizations responsible for activities -- such as infrastructure protection, border control and planning for the aftermath of terrorist attacks -- handled mainly by the Department of Homeland Security.
Organizations, such as the FBI’s Joint Terrorism Task Forces, that work exclusively on terrorism cases.
Joint Terrorism Task Force
A multiagency task force, run by the FBI, that has the lead in investigating terrorism within the United States.
Intelligence and Fusion
Organizations that collect, analyze and share information about domestic threats.
Fusion Centers
Fusion Center
A place where information from multiple agencies in a state or region is sent to be analyzed.
Totals 84113


  • Counterterrorism

    The Joint Terrorism Task Force Pacific annex, located in Agana Heights, is subordinate to the FBI's Honolulu field office. The U.S. attorney chairs an Anti-Terrorism Advisory Council (ATAC).

  • Intelligence

    Guam is a member of the Multi-State Information Sharing and Analysis Center (MS-ISAC) and the Western States Information Network (WSIN).

  • Fusion

    Guam does not have a formal fusion center.

  • Homeland Security

    Guam's homeland security is the responsibility of the Office of Civil Defense. A designated federal homeland security adviser is located in Hagatna.

  • Law Enforcement

    The Guam Police Department is the territory-wide law enforcement agency. The FBI's Guam resident agency is part of the Honolulu field office.

  • Emergency Management

    The Office of Civil Defense, part of the Department of Military Affairs, is the territory agency for coordinating disaster/emergency preparedness. The Guam Emergency Response Plan has an annex dealing with civil unrest but not with terrorism.

Sourcing: Department of Homeland Security, Justice Department and state government documents.
OrganizationCityStarted since 9/11
Guam ATAC (U.S. Attorney) x
USAO District of Guam (U.S. Attorney)  
Guam Homeland Security (Guam Office of Civil Def.)Agana Heightsx
JTTF Pacific Annex (FBI)Agana Heightsx
AFOSI Det 602 (Air Force)Andersen AFB 
Guam Police DepartmentBarrigada 
94th Civil Support Team (Nat'l Guard)Ft. Juan Munax
Guam Adjutant General (TAG)Ft. Juan Muna 
Guam National Guard JFHQFt. Juan Munax
USMS District of Guam (Marshals)Hagatna 
Guam Resident Agency (FBI)Maite 
RAC Guam (ICE)Maite 
Mongmong Satellite Office (ATF)Mongmong 

State-Recognized Threats:
Public SafetyEarthquakes; Floods; Landslide and debris flow; Tsunamis
Domestic SecurityNone identified
Sourcing: Natural hazards are taken from DHS documents and State Emergency Operations Plans. Domestic terrorist threats are based upon U.S. government intelligence documents and actual attacks undertaken since 2001.

This project was last updated in September 2010. Data is accurate as of that date.
"Top Secret America" is a project nearly two years in the making that describes the huge national security buildup in the United States after the Sept. 11, 2001, attacks. | Read More »

More than a dozen Washington Post journalists spent two years developing Top Secret America. | See the details »


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A short video from PBS’s FRONTLINE on The Post’s two-year investigation. An hour-long documentary film is forthcoming. Watch the trailer »

The reporters

Dana Priest

Investigative reporter Dana Priest has been The Washington Post's intelligence, Pentagon and health-care reporter. She has won numerous awards, including the 2008 Pulitzer Prize for public service for "The Other Walter Reed" and the 2006 Pulitzer for beat reporting for her work on CIA secret prisons and counterterrorism operations overseas. She is author of the 2003 book, "The Mission: Waging War and Keeping Peace With America's Military, (W.W. Norton).

William M. Arkin

William M. Arkin has been a columnist and reporter with The Washington Post and since 1998. He has worked on the subject of government secrecy and national security affairs for more than 30 years. He has authored or co-authored more than a dozen books about the U.S. military and national security.

Project Credits

Stephanie Clark, Ben de la Cruz, Kat Downs, Dan Drinkard, Anne Ferguson-Rohrer, Justin Ferrell, David Finkel, Jennifer Jenkins, Robert Kaiser, Laris Karklis, Jacqueline Kazil, Lauren Keane, Todd Lindeman, Greg Manifold, Jennifer Morehead, Bonnie Jo Mount, Larry Nista, Ryan O’Neil, Sarah Sampsel, Whitney Shefte, Laura Stanton, Julie Tate, Doris Truong, Nathaniel Vaughn Kelso, Michael Williamson, Karen Yourish, Amanda Zamora.

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