Air Transportation System Administrative Appeals Office. Aviation and Transportation Security Act Association of American Railroads

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2SR Second Stage Review

AAO Administrative Appeals Office

AAR Association of American Railroads

AASHTO American Association of State and Highway Transportation Officials

ABSTP Arizona Border Surveillance Technology Plan

AC Active Component

ACARS Aircraft Communications Addressing and Reporting System

ACE Automated Customs Environment

ACFD Arlington County Fire Department

ACPD Arlington County Police Department

ACS American Community Survey

ACS Automated Customs System

ACWIA American Competitiveness and Workforce Improvement Act

ADAC Arctic Domain Awareness Center of Excellence

ADS-B Automatic Dependent Surveillance-Broadcast

AEER Air Entry and Exit Re-Engineering

AFDX Avionics Full Duplex Switched Ethernet

AFNORTH Air Force North

AIT Advanced Imaging Technology

ALERT Center of Excellence for Awareness and Localization of Explosives-Related Threats

AMOC Air and Marine Operations Center

AMOSS Air and Marine Operations Surveillance System

AMRA Aviation Model Risk Assessment

AMVER Automated Mutual Assistance Vessel Rescue

ANA Afghan National Army

ANG Air National Guard

AOR Area of Responsibility

AP/DNSA Assistant to the President and Deputy National Security Advisor

APHIS Animal and Plant Health Inspection Service

APIS Advance Passenger Information System

APSS Agent Portable Surveillance System

APTA American Public Transportation Association

ARNG Army National Guard

ARNORTH Army North

ASME American Society of Mechanical Engineers

ATC Air Traffic Control

ATON Aids to Navigation

ATR Automated Targeting Recognition

ATS Air Transportation System

ATSA Aviation and Transportation Security Act

ATS-C Advance Targeting System-Cargo

AVC Arms Control Verification and Compliance

AWWA American Water Works Association

BASE Baseline Assessment and Security Enhancement

BDO Behavior Detection Officer

BEAP Border Enforcement Analytics Program

BEST Border Enforcement Security Task Force

BTRA Biological Terrorism Risk Assessment

BTS Border and Transportation Security

BUR Bottom-Up Review

C3 Cyber Crimes Center

CAARS Cargo Advanced Automatic Radiography

CAMRA Center for Advancing Microbial Risk Assessment

CAO Chief Administrative Officer

CAP Criminal Alien Program

CAP Civil Assistance Plan

CAPPS Computer Assisted Passenger Prescreening System

CAPTA Costing Asset Protection Guide

CARMA Cyber Assessment Risk Management Approach

CBP Customs and Border Protection

CBRN Chemical, Biological, Radiological, and Nuclear

CBTIR Center for Borders, Trade, and Immigration Research

CCEU Counterterrorism and Criminal Exploitation Unit

CCTG CBRN Counterterrorism Group

CD Army Deputy Commander

CDP Center for Domestic Preparedness

CDS Capability Development Support

CEIU Child Exploitation Investigations Unit

CEM Comprehensive Emergency Management

CERT Community Emergency Response Teams

CFO Chief Financial Officer

CFR Code of Federal Regulations

CG Comptroller General

CHC Coastal Hazards Center of Excellence

CHEMTREC Chemical Transportation Emergency Center

CI Counterintelligence

CIA Catastrophic Incident Annex



CIKR Critical Infrastructure and Key Resources

CINT Chief of Intelligence

CIO Chief Information Officer

CIP Common Intelligence Picture

CIR Comprehensive Immigration Reform

CIRG Critical Incident Response Group

CIRI Critical Infrastructure Resilience Institute

CISO Chief Information Security Officer

CM Consequence Management

CMF Cyber Mission Force

CMT Combat Mission Team

CNCI Comprehensive National Cybersecurity Initiative

CNGB Chief of the National Guard Bureau

COAC Committee on Commercial Operations of U.S. Customs and Border Protection

COCOM Combatant Command

COINTELPRO Counterintelligence Program

COM Chief of Mission

COMINT Communications Intelligence

COTP Captain of the Port

COTS Commercial-Off-The-Shelf

CP Counterproliferation

CPB Coastal Patrol Boat

CPI Counter-Proliferation Investigations

CPRC Counterproliferation Program Review Committee

CPS Current Population Survey

CPT Cyber Protection Team

CRC Coastal Resilience Center of Excellence

CRS Congressional Research Service

CS&C Office of Cybersecurity and Communications

CSD Customer Service Division

CSG Counterterrorism Security Group

CSI Container Security Initiative

CSS Coastal Surveillance System

CSSP Control Systems Security Program

CST Civil Support Team

C-TPAT Customs-Trade Partnership Against Terrorism

CTRA Chemical Terrorism Risk Assessment

CTS Counterterrorism Section

CVADA Center for Visualization and Data Analytics

CWMD Combat Weapons of Mass Destruction

CXPST Cross-Plane Session Termination

D/NCS Director of the National Clandestine Service

D2P Detect-to-Protect

DACA Deferred Action for Childhood Arrivals

DARPA Defense Advanced Research Projects Agency

DC Deputies Committee

DCE Defense Coordinating Element

DCI Director of Central Intelligence

DCO Defense Coordinating Officer

DDoS Distributed Denial of Service

DEA Drug Enforcement Administration

DEST Domestic Emergency Support Team

DETER Defense Technology Experimental Research

DHHS Department of Health and Human Services

DHS Department of Homeland Security

DHS IE DHS Intelligence Enterprise

DI Directorate of Intelligence

DIA Defense Intelligence Agency

DIOG Domestic Investigations and Operations Guide

DNDO Domestic Nuclear Detection Office

DNI Director of National Intelligence

DNS Domain Name Service

DOC Department of Commerce

DoD Department of Defense

DoDD Department of Defense Directive

DoE Department of Energy

DOI Department of the Interior

DoJ Department of Justice

DoS Department of State

DOT Department of Transportation

DPS Defense Protective Service

DSC Dual-Status Commander

DSCA Defense Support of Civil Authorities

DSF Deployable Specialized Force

DSL Digital Service Link

DST Direct Support Team

DT Directorate for MASINT and Technical Collection

DTRA Defense Threat Reduction Agency

ECC Emergency Communications Center

ECIP Enhanced Critical Infrastructure Protection

ECSP Exceptional Case Study Project



EDGE Enhanced Dynamic Geo-Social


EECC Export Enforcement Coordination Center

EEO Equal Employment Opportunity

EEZ Economic Exclusion Zone

EEZ Exclusive Economic Zone

EFB Electronic Flight Bag

ELINT Electronic Intelligence

ELIS Electronic Immigration System

EM Emergency Manager

EMAC Emergency Management Assistance Compact

EMI Emergency Management Institute

EMP Electromagnetic Pulse

EMS Emergency Medical Service

EMS Emergency Medical Services

EMS Enterprise & Mission Support

EO Executive Order

EOC Emergency Operations Center

EOIR Executive Office for Immigration Review

EOP Executive Office of the President

EPA Environmental Protection Agency

EPLO Emergency Preparedness Liaison Officer

EPMO Enterprise Performance Management Office

EPR Emergency Preparedness and Response

EPS Executive Protection Service

ERO Enforcement and Removal Operations

ESF Emergency Support Function

ESU Emergency Service Units

E-Verify Electronic Employment Eligibility Verification

EXBS Export Control and Border Security

FAA Federal Aviation Administration

FAM Federal Air Marshal

FBI Federal Bureau of Investigation

FCC Functional Combatant Command

FCO Federal Coordinating Officer

FDNS Office of Fraud Detection and National Security

FDNS Fraud Detection and National Security Directorate

FDNY Fired Department New York

FDRC Federal Disaster Recovery Coordinator

FEMA Federal Emergency Management Agency

FHWA Federal Highway Administration

FIG Field Intelligence Group

FINDER Finding Individuals for Disaster and Emergency Response

FISA Foreign Intelligence Surveillance Act

FISC Foreign Intelligence Surveillance Court

FISINT Foreign Instrumentation Signals Intelligence

FLETC Federal Law Enforcement Training Center

FMCSA Federal Motor Carrier Safety Administration

FMD Foot-and-Mouth Disease

FMSC Federal Maritime Security Coordinator

FNR Federal Network Resilience

FOIA Freedom of Information Act

FOSC Federal On-Scene Coordinator

FPDI Food Protection and Defense Institute

FPS Federal Protective Service

FRA Federal Railroad Administration

FRC Fast Response Cutter

FRG First Responders Group

FTA Federal Transit Administration

FY Fiscal Year

G8 Group of Eight

GAO Government Accountability Office

GCC Geographic Combatant Command

GDP Grant Programs Directorate

GEOINT Geospatial Intelligence

GII Geospatial Information Infrastructure

GMCC Global MOTR Coordination Center

GMRA Government Management Reform Act

GPC General-Purpose Controller

GPRA Government Performance and Results Act

GPS Global Positioning System

HAZMAT Hazardous Material

HD Homeland Defense

HEU Highly Enriched Uranium

HIIB Homeland Security Council’s Integrated Intelligence Board

HIR Homeland Intelligence Report

HIS Homeland Security Investigations

HITRAC Homeland Infrastructure Threat and Risk Analysis Center

HM-232 Hazardous Materials Transportation Security Requirements

HMC Highway Infrastructure and Motor Carrier

HME Homemade Explosive Device



HSARPA Homeland Security Advanced Research

Projects Agency

HSAS Homeland Security Advisory System

HSC Homeland Security Council

HSDN Homeland Secure Data Network

HSEC SIN Homeland Security Standing Information Needs

HSEEP Homeland Security Exercise and Evaluation Program

HSIC Homeland Security Intelligence Council

HSI-FL Homeland Security Investigations’ Forensic Laboratory

HSIN Homeland Security Information Network

HSINT Homeland Security Intelligence

HSPD Homeland Security Presidential Directive

HS-SLIC Homeland Security State and Local Intelligence Community of Interest

HSSTAC Homeland Security Science and Technology Advisory Committee

HSTA Homeland Security Threat Assessment

HTUA High Threat Urban Area

HUD Housing and Urban Development

HUMINT Human Intelligence

HUMS Health and Usage Monitoring System

I&A Information and Analysis

I&A Intelligence and Analysis

IA Office of Internal Affairs

IA&IP Information Analysis & Infrastructure Protection

IANA Internet Assigned Numbers Authority

IAP Incident Action Plan

IASD Infrastructure Analysis and Strategy Division

IBSGP Intercity Bus Security Grant Program

IC Intelligence Community

IC Incident Commander

ICAC Internet Crimes Against Children

ICAD Integrated Computer Assisted Detection

ICANN Internet Corporation for Assigned Names and Numbers

ICC Intelligence Coordination Center

ICE Immigration and Customs Enforcement

ICP Incident Command Post

ICPD Individual and Community Preparedness Division

ICPO International Cooperative Programs Office

ICS Incident Command System

ICS Industrial Control System

ICS-CERT Industrial Control System Cyber Emergency Response Team

ICSJWG Industrial Control System Joint Working Group

ICW Intercoastal Waterway

IDENT Automated Biometric Identification System

IED Improvised Explosive Device

IEFA Immigration Examination Fee Account

IFCL-HTS Inherently Fault Current Limiting, High Temperature Superconducting Cable

IFE Inflight Entertainment System

IG Inspector General

IICD Infrastructure Information Collection Division

IICS infrastructure Information Collection System

IIR Intelligence Information Report

IIRIRA Immigration Reform and Immigrant Responsibility Act

IMAGE Mutual Agreement Between Government and Employers

IMAT Incident Management Assistance Team

IMF International Monetary Fund

IMINT Imagery Intelligence

IMO International Maritime Organization

INA Immigration and Nationality Act

INA Office of International Affairs

INA Immigration Nationality Act

IND Improvised Nuclear Device

INR Bureau of Intelligence and Research, Department of State

INS Immigration and Naturalization Service

IP Infrastructure Protection

IPA Intergovernmental Personnel Act

IPAS Illicit Pathways Attack Strategy

IPAWS Integrated Public Alert and Warning System

IPC Interagency Policy Committee

IRA Immediate Response Authority

IRCA Immigration Reform and Control Act

IS Islamic State

ISAC Information Sharing and Analysis Center

ISAF International Security Assistance Force

ISE Information Sharing Environment

ISI Inter-Services Intelligence

ISN Bureau of International Security and Nonproliferation

ISP Internet Service Provider

ISR Intelligence, Surveillance, and Reconnaissance



ISTEP Intermodal Security Training and

Exercise Program

IT Information Technology

ITRA Integrated Terrorism Risk Assessment

ITSRA IT Sector Baseline Risk Assessment

IT-SSP IT Sector Specific Plan

IXP Internet Exchange Point

JCS Joint Chiefs of Staff

JFHQ Joint Force Headquarters

JFHQ-NCR Joint Force Headquarters National Capital Region

JFO Joint Field Office

JIACG Joint Interagency Coordination Group

JIC Joint Information Center

JIICATAS911 Joint Inquiry into Intelligence Community Activities Before and After the Terrorist Attacks of September 11, 2001

JOC Joint Operations Centers

JOC Joint Operations Center

JRC Joint Requirements Council

JTAC Joint Terminal Attack Controller

JTF Joint Task Force

JTF-AK Joint Task Force Alaska

JTF-CS Joint Task Force Civil Support

JTF-N Joint Task Force North

JTTF Joint Terrorism Task Force

KIQ Key Intelligence Questions

KSM Khalid Sheikh Mohammed

LA Lead Agency

LAX Lost Angeles International Airport

LBRAA Long-Range Broad Agency Announcement

LEDET Law Enforcement Detachment

LEP Limited English Proficiency

LETC Law Enforcement Technical Collections

LNO Liaison Officer

LP Latent Print

LPR Legal Permanent Resident

LPR Lawful Permanent Resident

LRS Long Range Surveillance

M&A Management and Administration

MA Mission Assignment

MAA Mutual Aid Agreement

MAK Maktab al-Khidamat

MANPADS Man-Portable Air Defense System

MARFORNORTH Marine Forces North

MASINT Measurement and Signatures Intelligence

MCV Mobile Command Vehicle

MDW Military District of Washington

MIREES Center for Maritime, Island and Remote and Extreme Environment Security

MOTR Maritime Operational Threat Response

MRR Medium Range Response

MS Mission Support

MSC Maritime Security Center of Excellence

MSD Marine Safety Detachment

MSRT Maritime Security Response Team

MSST Maritime Safety and Security Team

MSS-U Mobile Surveillance System Upgrade

MSU Marine Safety Unit

MTB Mobile Training Branch

MTS Maritime Transportation System

MTSA Maritime Transportation Safety Act

MVSS Mobile Vehicle Surveillance System

MWAA Metropolitan Washington Airports Authority

NAC Nebraska Avenue Complex

NAC National Advisory Council

NADB National Asset Database

NAS National Airspace System

NBC National Benefits Center

NBPS National Border Patrol Strategy

NCBSI National Center for Border Security and Immigration

NCCIC National Cybersecurity and Communications Integration Center

NCIPP National Critical Infrastructure Prioritization Program

NCIRP National Cyber Incident Response Plan

NCIX National Counterintelligence Executive

NCP National Continuity Programs

NCPC National Counterproliferation Center

NCRAL National Cyber Risk Alert Level

NCRS National Capital Response Squad

NCSC National Cyber Security Center

NCSD National Cyber Security Division

NCTC National Counterterrorism Center

NDAA National Defense Authorization Act

NDMS National Disaster Medical System

NED National Exercise Division

NEP National Exercise Program



NexGen Next Generation Passenger Checkpoint

NFIP National Foreign Intelligence Program

NFOP National Fugitive Operations Program

NG National Guard

NGA National Geospatial-Intelligence Agency

NGB National Guard Bureau

NGO Non-Governmental Organization

NHSA National Homeland Security Agency

NHSD National Homeland Security Department

NIC National Integration Center

NIC National Intelligence Council

NICC National Incident Coordinating Center

NIE National Intelligence Estimate

NII Non-Intrusive Inspection

NIMS National Incident Management System

NIP National Intelligence Program

NIPP National Infrastructure Protection Plan

NISAC National Infrastructure Simulation and Analysis Center

NIST National Institute of Standards and Technology

NLE National Level Exercise

nm Nautical Mile

NMCC National Military Command Center

NME National Military Establishment

NMF National Mission Force

NMSZ New Madrid Seismic Zone

NNSA National Nuclear Security Administration

NOC National Operations Center

NORAD North American Aerospace Defense Command

NP Nonproliferation

NPAD National Preparedness Assessment Division

NPD National Preparedness Directorate

NPG National Preparedness Goal

NPM National Preparedness Month

NPPD National Protection and Program Directorate

NPRM Notice of Proposed Rule Making

NPS National Preparedness System

NPT Nonproliferation Treaty

NRCC National Response Coordination Center

NRF National Response Framework

NRO National Reconnaissance Office

NRP National Response Plan

NS/EP National Security and Emergency Preparedness

NSA National Security Agency

NSC National Security Cutter

NSC National Security Council

NSD Network Security Deployment

NSF National Strike Force

NSL National Security Letter

NSP National Strategic Plan

NSS National Security Staff

NSSE National Special Security Event

NST National Support Team

NSTA National School Transportation Association

NSTS National Security Threat Section

NSU National Security Unit

NTAC National Threat Assessment Center

NTAS National Terrorism Advisory System

NTC-C National Targeting Center-Cargo

NTE National Training & Education

NTED National Training and Education Division

NTSCOE National Transportation Security Center of Excellence

NUSTL National Urban Security Technology Laboratory

NYPD New York Police Department

OAE Office of External Affairs

OBIM Office of Biometric Identity Management

OCC National Operations Control Center

OCIA Office of Cyber and Infrastructure Analysis

OCMI Officer in Charge of Marine Inspection

OCOMM Office of Communications

ODIC Office of Disability Integration and Coordination

ODNI Office of the Director of National Intelligence

ODP Office of Domestic Preparedness

OEM Office of Emergency Management

OEP Office of Emergency Preparedness

OFO Office of Field Operations

OHS Office of Homeland Security

OI Office of Intelligence

OIC Office for Interoperability and Compatibility

OIOC Office of Intelligence and Operations Coordination

OIS Office of Immigration Statistics



OLA Office of Legislative Affairs

OMB Office of Management and Budget

OMLT Operational Mentor and Liaison Team

ONCIX Office of the National Counterintelligence Executive

ONDCP Office of National Drug Control Policy

ONL Office of National Laboratories

OOC Office of Operations Coordination

OPA Office of Public Affairs

OPC Offshore Patrol Cutter

OPPA Office of Policy and Program Analysis

ORR Office of Response and Recovery

OSC On-Scene Commander

OSI Open System Interconnection

OSINT Open Source Intelligence

OSS Office of Strategic Services

OT Office of International Trade

OTD Office of Training and Development

OTIA Office of Technology Innovation and Acquisition

P.L. Public Law

PA Primary Agency

PACER National Center for the Study of Preparedness and Catastrophic Event Response

PAPD Port Authority Police Department

PC Principals Committee

PCC Policy Coordination Committee

PCII Protected Critical Infrastructure Information

PDD Presidential Decision Directive

PED Public Engagement Division

PFO Principal Federal Official

PHMSA Pipeline Hazardous Materials Safety Administration

PID Protective Intelligence and Assessment Division

PINS Priority Information Needs

PLC Programmable Logic Controller

PLE Principal Level Exercise

PM Bureau of Political-military Affairs

PM-ISE Program Manager for the Information Sharing Environment

PMTL Protected Measures Target List

PN Partner Nation

PNP Protection and National Preparedness

PNSR Project for National Security Reform

POA Program of Analysis

POE Port of Entry

POTUS President of the United States

PPD Presidential Policy Directive

PPPM Plans, Policy, & Performance Management

PREA Prison Rape Elimination Act

PSA Protective Security Advisor

PSA Public Service Advertising

PSD Personnel Screening Detection

PSU Port Security Unit

PT-ISAC Public Transportation Information Sharing and Analysis Center

PTN Public Telecommunications Network

PWCS Ports, Waterways, and Coastal Security

QD Questioned Document

QHSR Quadrennial Homeland Security Review

QRF Quick Reaction Force

R&D Research and Development

RAIO Refugee, Asylum, and International Operations Directorate

RAMCAP Risk Analysis and Management for Critical Asset Protection

RAM-W Risk Assessment Methodology-Water

RAN Railroad Alert Network

RC Reserve Component

RDD Radiological Dispersal Device

RDL Regional Dive Locker

RDP Research and Development Partnerships

RDT&E Research, Development, Test, and Evaluation

RECONS Reusable Electronic Conveyance Security Devices

REMS Radiological Emergency Management System

RFA Request for Assistance

RMA Risk Mitigation Activity

RMF Risk Management Framework

RRAP Regional Resiliency Assessment Program

RRCC Regional Response Coordination Center

RSC Rail Security Coordinator

RSCN Rail Security Coordinator Network

RSSM Rail Security-Sensitive Materials

R-Tech First Responder Technologies

RTP Resilient Tunnel Project

RVS Remote Video Surveillance

RVSS Remote Video Surveillance System

S&T Science and Technology Directorate



SAC Special Agent-in-Charge

SAD Special Activities Division

SAD State Active Duty

SAI Security Action Item

SAR Search and Rescue

SAR Suspicious Activity Report

SAV Site Assistance Visit

SAVER System Assessment and Validation for Emergency Responders

SBA Small Business Administration

SBI Secure Border Initiative

SBIR Small Business Innovation Research

SCADA Supervisory Control and Data Acquisition

SCC Sector Coordinating Council

SCO State Coordinating Officer

SCOPS Service Center Operations Directorate

SecDef Secretary of Defense

SECIR Stakeholder Engagement and Cyber Infrastructure Resilience

SEOC State Emergency Operations Center

SEVIS Student and Exchange Visitor Information System

SEVP Student and Exchange Visitor Program

SFI Secure Freight Initiative

SGLCP State and Local Government Coordination and Preparedness

SHSGP State Homeland Security Grant Program

SHSS State Homeland Security Strategy

SIGINT Signals Intelligence

SIOC Strategic Information Operations Center

SLFC State and Local Fusion Center

SLPO State & Local Program Office

SLTT State, Local, Tribal, Territorial

SMC Search and Rescue Mission Coordinator

SMES Security and Environmental Management System

SNM Special Nuclear Material

SOF Special Operations Forces

SOP Standing Operating Procedure

SPOT Screening Passengers by Observational Techniques

SPP State Partnership Program

SPS Single Point of Service

SRIA Sandy Recovery Improvement Act

SRR Short Range Response

SSA Supervisory Special Agent

SSA Sector-Specific Agency

SSD Secret Service Division

SSP Sector Security Plan

STA Security Threat Assessments

START National Consortium for the Study of Terrorism and Response to Terrorism

ST-ISAC Surface Transportation ISAC

SWNCC State, War, Navy Coordinating Committee

T&E Test and Evaluation

TACLET Tactical Law Enforcement Team

TAG The Adjutant General

TCL Target Capabilities List

TCP Transmission Control Protocol

THD Technological Hazards Division

THIRA Threat and Hazard Identification and Risk Assessment

TIC Toxic Industrial Chemical

TIDE Terrorist Identities Datamart Environment

TIH Toxic Inhalation Hazard

TLD Top-Level Domain

TMC Thrust Management Computer

TOC Transnational Organized Crime

TPS Temporary Protected Status

TREAS Department of Treasury

TRIP Traveler Redress Inquiry Program

TRT Technical Rescue Team

TSA Transportation Security Administration

TSA-FRSD TSA Freight Rail Security Division

TSA-OI TSA Office of Intelligence

TSDP Terrorist Screening Database

TSI Transportation Security Inspector

TSL Transportation Security Laboratory

TSO Transportation Security Officer

TSSRA Transportation Systems Sector Security Risk Assessment

TSWG Transportation Sector Working Group

TTP Transition to Practice

TWIC Transportation Worker Identification Credential

UAE United Arab Emirates

UAS Unmanned Aerial System

UASI Urban Area Security Initiative

UCP Unified Command Plan

UDP User Datagram Protocol

US&R Urban Search and Rescue



USAF United States Air Force

USAFR Unites States Air Force Reserve

USAR United States Army Reserve

USBP U.S. Border Patrol

USC United States Code

USCENTCOM United States Central Command

US-CERT U.S. Computer Emergency Readiness Team

USCG United States Coast Guard

USCIS U.S. Citizenship and Immigration Services

USDA U.S. Department of Agriculture

USFA United States Fire Administration

USG U.S. Government

USMC United States Marine Corps

USMCR United States Marine Corps Reserve

USN United States Navy

USNORTHCOM United States Northern Command

USNR United States Navy Reserve

USPACOM United States Pacific Command

USSS United States Secret Service

USSTRATCOM United States Strategic Command

UTL Universal Task List

VAL Voluntary Agency Liaison

VBIED Vehicle-borne Improvised Explosive Device

VIPR Visible Intermodal Prevention and Response

VOAD Volunteer Organizations Active in Disaster

VSAT Vulnerability Self-Assessment Tool

VSP Visa Security Program

VTS Vessel Traffic Services

VWP Visitor Waiver Program

WBI Whole Body Imaging

WCO World Customs Organization

WFO Washington Field Office

WLAN Wireless Local Area Network

WMD Weapons of Mass Destruction

WTC World Trade Center

ZADD Center of Excellence for Zoonotic and Animal Disease Defense