| Acronym | Definition |
| ACSD | Advanced Container Security Device |
| AES | Automated Export System |
| AIP | AsuW Improvement Program (P-3 Upgrade) |
| AIS | Automatic Identification System |
| AMOC | Air-Marine Operations Center (US Customs & Border Protection) |
| AMS | Automated Manifest System |
| AO | Area of Operations |
| AOI | Area of Interest |
| AOR | Area of Responsibility |
| APIS | Advance Passenger Information System |
| ASA-M | Analysis Support Architecture-Maritime |
| ASD HD&ASA | Assistant to the Secretary of Defense for Homeland Defense and America's Security Affairs |
| ASSET | Automated Scripter Simulator Exercise Trainer |
| ASuW | Anti-Surface Warfare |
| ATO | Air Tasking Order |
| ATOI | Air Target of Interest |
| ATR | Above Threshold Reporting |
| ATS | Automated Targeting System |
| BAA | Broad Area Announcement |
| BAMS | Broad Area Maritime Surveillance |
| BA | Battlespace Awareness |
| BTF | Biometrics Task Force |
| BTS | Border and Transportation Security |
| BWC | Battle Watch Captain |
| C&A | Certification and Accreditation |
| C2 | Command and Control |
| C2F | Commander, US Second Fleet |
| C2PC | Command and Control for the PC |
| CAS | Collaboration at Sea |
| CBA | Capabilities Based Assessment |
| CBP | US Customs and Border Protection |
| CBRNE | Chemical, Biological, Radiological, Nuclear, & High-Yield Explosive |
| CCA | Critical Capability Areas |
| CCOI | Critical Contact of Interest |
| CDC | Certain Dangerous Cargo |
| CDL | Common Data Link |
| CDVD | Common Distributed Virtual Database |
| CEIF | C2 Enterprise Integration Facility |
| CERT | Computer Emergency Response Team |
| CGHQ | Coast Guard Headquarters |
| CIP | Common Intelligence Picture |
| CJCSI | Chairman of the Joint Chiefs of Staff Instruction |
| CLASS | Consular Lookout and Support System (DOS) |
| CMA | Comprehensive Maritime Awareness |
| CMDT | Commandant |
| COA | Course of Action |
| COE | Common Operating Environment; Corps of Engineers |
| COI | Contact of Interest; Community of Interest |
| COMINT | Communications Intelligence |
| CONOPS | Concept of Operations |
| CONUS | Continental United States |
| COP | Common Operational Picture |
| COTP | Captain of the Port (USCG) |
| CRCT | Collaborative Routing Coordination Tools (FAA) |
| CSG | Carrier Strike Group |
| CSI | Container Security Initiative (CBP) |
| C-TPAT | Customs-Trade Partnership Against Terrorism (CBP) |
| CTP | Common Tactical Picture |
| DADS | Deployable Autonomous Distributed System |
| DCR | DOTMLPF Change Request |
| DCS | Defense Communication System |
| DDN | Defense Data Network |
| DECC | Defense Enterprise Computing Center |
| DHS | Department of Homeland Security |
| DISA | Defense Information Systems Agency |
| DEIPI | Distributed Enterprise Integrated Platform |
| DNI | Director of Naval Intelligence |
| DODD | Department of Defense Document |
| DOJ | Department Of Justice |
| DOS | Department Of State |
| DOT | Department Of Transportation |
| DSS | Defense Security Service |
| E2C | E-2C Hawkeye Maritime Patrol Aircraft |
| EDI | Electronic Data Interchange |
| EEI | Essential Elements of Information |
| EEZ | Exclusive Economic Zone (200 NM) |
| EIB | Environmental Improvement Board (?) |
| EMIO | Expanded Maritime Interception Operation |
| ENOA | Electronic Notice of Arrival |
| EOC | Emergency Operations Center (state & local civil authorities) |
| EPIC | El Paso Intelligence Center (DEA) |
| EXCOM | Executive Committee |
| EXCON | Experiment Control |
| F&A SWG | Fusion and Analysis Sub-Working Group |
| FAA | Functional Area Analysis |
| FASTC2AP | Fast Connectivity for Coalition and Agents Project |
| FFC | Fleet Forces Command; also USFF |
| FG | Fair Game (exercise) |
| FIST | Fleet Intel Support Team (ONI); Field Intel Support Team (USCG) |
| Fn | FORCEnet |
| FOTC | Force Over-the-Horizon Track Coordinator |
| FOV | Field of View |
| FRCB | Fleet Readiness Certification Board |
| GALE | Generic Area Limitation Environment |
| GCCS | Global Command and Control System |
| GH | Global Hawk (UAV) |
| GIG | Global Information Grid (DOD) |
| GMAII | Global Maritime and Air Intelligence Integration |
| GMCOI | Global Maritime Community of Interest |
| GMDSS | Global Maritime Distress Safety System |
| GMI | Global Maritime Intelligence |
| GMII | Global Maritime Intelligence Integration |
| GMSA | Global Maritime Situational Awareness |
| GWOT | Global War On Terrorism | |
| GWT | Gross Weight Tons | |
| HASC | House Armed Services Committee |
| HAZMAT | Hazardous Materials |
| HC/HC | High Capacity/High Consequence Vessel | |
| HD | Homeland Defense |
| HFE | Human Factors Engineering |
| HS | Homeland Security |
| HIV | High Interest Vessel (USCG) |
| HSIN | Homeland Security Information Network |
| HSPD | Homeland Security Presidential Directive |
| HVT | High Valued Target |
| HUMINT | Human Intelligence | |
| IA | Information Assurance | |
| IACA | Interagency Core Architecture Document | |
| IACD | Interagency Capabilities Document | |
| IAIS | Interagency Investment Strategy | |
| IANA | Interagency Needs Assessment | |
| IAP | Integrated Assessment Plan |
| IARA | Interagency Requirements Assessment | |
| IC | Intelligence Community | |
| ICC | Intelligence Coordination Center (USCG) |
| ICD | Initial Capabilities Document |
| ICTO | Interim Certificate to Operate |
| ICE | Immigration and Customs Enforcement | |
| ID | Identification | |
| IFF | Identification Friend or Foe | |
| IMINT | Imagery Intelligence | |
| IMS | Integrated Master Schedule |
| IMO | International Maritime Organization |
| INMARSAT | International Marine/Maritime Satellite (communications) |
| INTERPOL | International Police | |
| IOI | Items Of Interest | |
| IPOE | Intelligence Preparation of Environment |
| IR | Infrared | |
| IRC | Internet Relay Chat |
| ISAR | Inverse Synthetic Aperture Radar |
| ISPS | International Ship and Port Facility Security (IMO code) |
| ISR | Intelligence, Surveillance and Reconnaissance |
| IT | Implementation Team | |
| ITDS | International Trade Data System |
| IWO | Intelligence Watch Officer |
| JC3IEDM | Joint Consultation Command and Control Information Exchange Data Model | |
| JCA | Joint Capability Area | |
| JCIDS | Joint Capabilities Integration and Development System | |
| JCTD | Joint Capability Technology Demo |
| JFC | Joint Functional Concepts/Joint Force Commander | |
| JFMCC | Joint Forces Maritime Component Commander |
| JHOC | Joint Harbor Operations Center | |
| JIACG | Joint Interagency Coordination Group | |
| JIATF | Joint Inter-Agency Task Force |
| JIC | Joint Intelligence Center |
| JITC | Joint Interoperability Testing CMD |
| JOC | Joint Operating Concept | |
| JSAF | Joint Semi-Automated Forces (simulation) |
| JSOA | Joint Special Operations Area |
| JSWS | Joint Services Work Station (General Dynamics) |
| JTSTM | Joint Time-Sensitive Targeting Manager |
| JTTF | Joint Terrorism Task Force (FBI sponsored) |
| JWICS | Joint Worldwide Intelligence Communications System | |
| LCSP | Life Cycle Support Plan |
| LE | Law Enforcement | |
| LINK-16 | Nodeless exchange of JTIDS messages over a Time Division |
| LInX | Law Enforcement Information Exchange |
| LOE | Limited Objective Experiment |
| LOC | Lines of Communication | |
| LRIT | Long Range Identification and Tracking |
| LSRS | Littoral Surveillance and Reconnaissance System |
| MAGNet | Maritime Awareness Global Network |
| MARCORSYCOM | Marine Corps Systems Command |
| MARSEC | Maritime Security Level (USCG) |
| MASINT | Measurement and Signature Intelligence | |
| MATTS | Marine Asset Tag and Tracking System |
| MBET | Multimedia Based Education and Training |
| MC | Mission Commander |
| MCE | Mission Control Element |
| MD | Maritime Domain |
| MDA | Maritime Domain Awareness |
| MDA DS COI | MDA Data Sharing Community of Interest | |
| MDA-IT | Maritime Domain Awareness Implementation Team | |
| METL | Mission Essential Task List | |
| MFM | Maritime Fires Manager |
| MHD | Maritime Homeland Defense |
| MHS | Maritime Homeland Security |
| M-HSOPS | Maritime Homeland Security Operational Planning System (USCG) | |
| MHQ | Maritime Headquarters |
| MIEM | Maritime Information Exchange Model |
| MIFC | Maritime Intelligence Fusion Center |
| MIO | Maritime Interception Operations |
| MIS | Multi-Int Segment |
| MMTI | Maritime Moving Target Indicator |
| MOC | Maritime Operations Center |
| MOTR | Maritime Operational Threat Response (Plan) |
| MPA | Maritime Patrol Aircraft |
| MPT&E | Manpower, Personnel, Training & Education |
| MSA | Maritime Situational Awareness (NATO MDA) |
| MSPCC | Maritime Security Policy Coordinating Committee | |
| M&S | Modeling and Simulation | |
| MTE | Moving Target Exploitation |
| MTI | Moving Target Indicator |
| MTS | Maritime Transportation System |
| MUA | Military Utility Assessment |
| MUMS | Mariner Unmanned Mission Simulator |
| MUSE | Multiple Uniform Simulation Environment (UAV simulator) |
| NCA | National Command Authority |
| NCC | Naval Component Commander |
| NCES | Net-Centric Enterprise Services | |
| NCIC | National Crime Information Center | |
| NCIS | Naval Criminal Investigative Service | |
| NCOW | Net-Centric Operations and Warfare | |
| NCTC | National Counterterrorism Center | |
| NETWARCOM | Naval Network Warfare Command | |
| NFA | No-Fire Area |
| NGO | Nongovernmental Organization | |
| NIEM | National Information Exchange Model | |
| NIIRS | National Imagery Interpretability Rating Scale |
| NISPOM | National Industrial Security Program Operating Manual |
| NMIC | National Maritime Intelligence Center |
| NMSAC | National Maritime Security Advisory Committee | |
| NMSP | National Maritime Security Plan | |
| NOA | Notice of Arrival |
| NOAA | National Oceanographic and Atmospheric Administration | |
| NOC | National Operations Center (DHS) |
| NOPF | Naval Ocean Processing Facility |
| NPAMDA | National Plan to Achieve Maritime Domain Awareness | |
| NR | Naval Reserve |
| NRL | Naval Research Laboratory |
| NSA | National Security Agency | |
| NSMS | National Strategy for Maritime Security | |
| NSPD | National Security Presidential Directive |
| NSSE | National Special Security Events (US Secret Service) |
| NTC | National Targeting Center (DHS) |
| NTM | National Technical Means |
| NVMC | National Vessel Movement Center (USCG) |
| NWC | Naval War College |
| NWDC | Naval Warfare Development Center |
| OAA | Other Area Announcement |
| OD2 | Operational Demonstration 2 |
| ODNI | Office of the Director of National Intelligence | |
| OIC | Officer In Charge |
| OLW | Operational Level of Warfare |
| OM,N | Operations and Maintenance, Navy |
| ONI | Office of Naval Intelligence |
| OPN | Other Procurement, Navy |
| OSD | Office of the Secretary of Defense | |
| OSINT | Open Source Intelligence | |
| OV | Operational View |
| PBRS | Pleasure Boat Reporting System | |
| PEW | Process Engineering Workshop |
| PID | Positive Identification |
| PIR | Priority Intelligence Request |
| PITCO | Pre-Installation Testing & Check Out |
| POTMPF | Policy, Organization, Training, Material, Personnel, and Facilities | |
| PWCS | Ports, Waterways, and Coastal Security | |
| QDR | Quadrennial Defense Review | |
| QRA | Quick Reaction Assessment |
| R3B | Resources, Requirements Review Board |
| R&C WG | Requirements and Capabilities Working Group | |
| RDT&E | Research, Development, Test and Evaluation |
| RFI | Request For Information |
| RTM | Requirements Traceability Matrix |
| SA | Situational Awareness |
| SAR | Synthetic Aperture Radar |
| SATCOM | Satellite Communications |
| SCC | Sector Command Center (USCG); Ship Coordination Center (USN) |
| SCG | Systems Coordination Group |
| SCI | Sensitive Compartmented Information | |
| SCONUM | Ship Control Number |
| SeaCat | Southeast Asia Cooperation Against Terrorism (exercise) |
| SIGINT | Signals Intelligence |
| SIGS | Synthetic Imagery Generation System |
| SIMEX | Simulation Experiment |
| SIPRNET | Secret Internet Protocol Router Network |
| SIV | Special Interest Vessel (port security) |
| SIT | Systems Integration Testing |
| SLOC | Sea Lines of Communication |
| SME | Subject Matter Expert | |
| SOA | Service-Oriented Architecture |
| SOLAS | International Convention for the Safety of Life at Sea |
| SOVT | System Operational Verification Testing |
| SPAWAR | Space & Naval Warfare Systems Command |
| SPOD/SPOE | Strategic Port of Debarkation/Embarkation |
| SR | Space Radar |
| SRSIM | Space-Radar Simulation |
| SSAA | Systems Security Authorization Agreement |
| SV | Systems View |
| T&E | Test and Evaluation |
| TAANDEM | Track Assessment and Anomaly Detection Maritime |
| TACCO | Tactical Coordinator |
| TACON | Tactical Control |
| TD2 | Technical Demonstration 2 |
| TEB | Technology Evaluation Board |
| TECS | Treasury Enforcement Communications System | |
| TED | Tactical EMIO Device |
| TEMP | Test and Evaluation Master Plan |
| TENCAP | Tactical Exploitation of National Capabilities | |
| TIDE | Terrorist Identity Datamart Environment |
| TISP | Tailored Information Support Plan |
| TMS | Track Management Server | |
| TRR | Technical Readiness Review |
| TSA | Transportation Security Administration | |
| TSDB | Terrorist Screening Data Base |
| TST | Time Sensitive Targeting |
| TTP | Tactics, Techniques/Procedures |
| TV | Technical View |
| TW08 | Trident Warrior 2008 |
| TWIC | Transportation Worker Identification Credential | |
| UAV | Unmanned Aerial Vehicle |
| UAVSIM | Unmanned Aerial Vehicle Simulation (SAR Simulation) |
| UDOP | User Defined Operational Picture |
| UJTL | Universal Joint Task List | |
| USCG | United States Coast Guard |
| USD (I) | Under Secretary of Defense (Intelligence) |
| USD (P) | Under Secretary of Defense for Policy |
| USJFCOM | United States Joint Forces Command | |
| USNORTHCOM | United States Northern Command | |
| VCJCS | Vice-Chairman, Joint Chiefs of Staff |
| VIS | Vessel Identification System |
| VMS | Vessel Monitoring System |
| VMS | Vessel Management System | |
| VOI | Vessel of Interest |
| VOIP | Voice over Internet Protocol |
| VTP | Vessel Tracking Project |
| VTS | Vessel Traffic System/Service | |
| WEEMC | Web-Enabled Execution Management Capability |
| WMD | Weapons of Mass Destruction |
| XCOP | Extensible Common Operational Picture |