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Acronyms
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| D | Depot |
| D Level | Depot Level of Maintenance |
| D&D | Design and Development |
| D&E | Demonstration and Exercise |
| D&F | Determination and Findings |
| D&T | Detection and Tracking |
| D&V | Demonstration and Validation |
| D&W | Detection and Warning |
| D-ATIS | Digital Automatic Terminal Information System |
| D-FIRST | Deployable Force-on-force Instrumented Range System |
| D-H | Diffie-Hellman |
| D-SIMM | Dual [Random Access Storage] Single In-Line Memory Module |
| D-SPEC | Process Specification |
| D/A | Digital-to-Analog |
| D/A | Digital to Analog |
| D/U | Delay Unit |
| D2 | Degrade and Destroy |
| D3 | Degrade, Disrupt, Deny |
| D4 | Degrade, Disrupt, Deny, Destroy |
| DA | Descent Advisor |
| DA | Damage Assessment |
| DA | Data Adapter |
| DA | Data Administration |
| DA | Data Administrator |
| DA | Decision Analysis |
| DA | Delegated Authority |
| DA | Department of the Army |
| DA | Design Agent |
| DA | Design Automation |
| DA | Destination Address |
| DA | Developing Activity |
| DA | Developing Agency |
| DA | Direct Action |
| DA | Domain Analysis |
| DAA | Data Access Arrangement |
| DAA | Designated Approving Authority |
| DAA | Distributed Applications Architecture |
| DAAS | Defense Automatic Addressing System |
| DAASO | Defense Automatic Addressing System Office |
| DAB | Data Acquisition Board |
| DAB | Defense Acquisition Board |
| DAB | Digital Audio Broadcast |
| DAB | Digital Audio Broadcasting |
| DABS | Discrete Addressable Beacon System |
| DAC | Data Acquisition and Control |
| DAC | Day After Contract [begins] |
| DAC | Days After Contract Award |
| DAC | Defense Ammunition Center (Army) |
| DAC | Designated Acquisition Commander (AF) |
| DAC | Digital to Analog Converter |
| DAC | Disarmament and Arms Control |
| DAC | Discretionary Access Control |
| DAC | Document Availability Code |
| DAC | Dual Attachment Concentrator |
| DACAN | Military Committee Distribution and Accounting Agency |
| DACCS | Digital Access and Cross Connect System |
| DACES | Defense Automated Cost Engineering System |
| DACG | Departure Airfield Control Group |
| DACM | Data Adapter Control Mode |
| DACM | Defense Acquisition Career Manager |
| DACM | Director Acquisition Career Management |
| DACOS | Deputy Assistant Chief of Staff |
| DACS | Data & Analysis Center for Software |
| DACS | Digital Access & Cross-connect System |
| DACS | Digital Analog Crossconnect System |
| DACT | Data Automated Communications Terminal |
| DAD | Data Administrator |
| DAD | Defense Acquisition Deskbook |
| DAD | Deputy Assistant Director |
| DAD | Distributed Architecture Decoy |
| DADC | Digital Air Data Computer |
| DADCON | Distributed ApplicationDevelopers Conference |
| DADEMS | Data Administration Data Element Management System |
| DAdm | Data Administration |
| DADR | Deployable Air Defense Radar |
| DADS | Digital Air Data System |
| DADS | Digital Automated System |
| DADS | Distributed Ada Development System |
| DADS | Distributed Analysis for Decision Support System |
| DADS | Dynamic Analysis and Design System |
| DAE | Data Access and Exchange |
| DAE | Defense Acquisition Executive |
| DAE | Disaster Assistance Employee |
| DAES | Defense Acquisition Executive Summary |
| DAF | Department of the Air Force |
| DAF | Directory Access Function |
| DAFECS | Digital Authority Full Engine Control System |
| DAG | Data Analysis Group |
| DAG | Data Authentication Group |
| DAGC | Drawing and Graphics Committee |
| DAI | Damage Assessment Indicator |
| DAI | Distributed Artificial Intelligence |
| DAIM | Dual ASAS Interface Module |
| DAIR | Direct Altitude and Identity Readout |
| DAISY | Defense Automated Information System |
| DAISY | Disposal Automated Information System |
| DAL | Delta Air Lines |
| DAL | Data Abstraction Layer |
| DAL | Data Access line |
| DAL | Data Accession List |
| DAL | Defended Asset List |
| DAL | Digital Access Line |
| DAL | Disk Access Lockout |
| DAL | Dissemination Authority List |
| DAL | DoD Dissemination Authority List |
| DALO | Disaster Area Liaison Officer |
| DAM | Diagnostic Acceptability Measurement |
| DAM | Digital Asset Management |
| DAM | Domain Analysis Methodology |
| DAMA | Demand Assigned Multiple Access |
| DAMA | Demand Assignment Multiple access |
| DAME | Division Airspace Management Element |
| DAMES | Defense Automated Message Execution System |
| DAMIS | Defense Analysis and Management Information System |
| DAML | DARPA Agent Markup Language |
| DAMMS | Department of the Army Movement Management System |
| DAMMS-R | Department of the Army Movement Management System-Redesign |
| DAMOCLES | Damage Monitoring and Control Expert System |
| DAMPS | Digital Advanced Mobile Phone System |
| DAMREP | Damage Report |
| DAN | Document Access Number |
| DANET | Data Administration Network |
| DANS | Directory and Name Service |
| DANS | Distributed Access Node System |
| DAO | Defense Agency Operations |
| DAO | Department/Agency/Organization |
| DAOC | Distributed Air Operations Center |
| DAP | Data Access Protocol |
| DAP | Data Administration Program |
| DAP | Data Analysis Plan |
| DAP | Defense Acquisition Policy |
| DAP | Defense Automated Printing |
| DAP | Departure and Arrival Point |
| DAP | Design Analysis Phase |
| DAP | Directory Access Protocol |
| DAP | Display Adjust Panel |
| DAP | Document Application Profile |
| DAP-NAD | Deterministic Adaptable Priority Network Access Delay |
| DAPG | Data Analysis Programming Group |
| DAPM | Data Administration Program Manager |
| DAPM | Domain Analysis Process Model |
| DAPMO | Data Administration Program Management Office |
| DAPS | Data Acquisition and Processing System |
| DAPS | Defense Automation and Production Service |
| DAPSG | Defense Acquisition Policy Steering Group |
| DAR | Data Access Register |
| DAR | Data Automation Request |
| DAR | Decision Analysis and Resolution |
| DAR | Defense Acquisition RADAR |
| DAR | Defense Acquisition Regulation |
| DAR | Defense Acquisition Regulations |
| DAR | Disabled Aircraft Recovery |
| DARC | Direct Access Radar Channel. An independent backup to main ATC computers. |
| DARC | Defense Acquisition Regulatory Council |
| DARIC | Defense Automation Resources Information Center |
| DARK | Distributed Ada Real-time Kernel |
| DARMIS | Data Requirements Management Information System |
| DARMP | Defense Automation Resources Management Program |
| DARMS | Data Automation Resource Management System |
| DARO | Defense Airborne Reconnaissance Office |
| DARP | Dynamic Aircraft Route Planning |
| DARP | Defense Airborne Reconnaissance Program |
| DARPA | Defense Advanced Research Projects Agency |
| DARS | Digital Audio Radio Service |
| DART | Data Analysis and Review Team |
| DART | Direct Access Repository Toolkit |
| DART | Disaster Assistance Response Team |
| DART | Dual Asynchronous Receiver Transmitter |
| DART | Dynamic Analysis and Replanning Tool |
| DART | Dynamic Analytical Replanning Tool |
| DARTS | Dynamic Avionics Real-Time Scheduling |
| DAS | Data Acquisition Subsystem |
| DAS | Data Acquisition System |
| DAS | Deep Air Support |
| DAS | Defense and Space |
| DAS | Direct Air Support |
| DAS | Door Answering System |
| DAS | Digital Audio Subcommittee |
| DASC | Department of the Army Systems Coordinator |
| DASC | Direct Air Support Center |
| DASC | Documented Ada Style Checker |
| DASD | Deputy Assistant Secretary of Defense |
| DASD | Direct Access Storage Device |
| DASD(IM) | Deputy Assistant Secretary of Defense for Information Management |
| DASE | DTV Application Software Environment |
| DASET | Dissemination of Ada Software Engineering Technology |
| DASG | Department of the Army, Surgeon General |
| DASH | Deployable Automation Support Host |
| DASH | Drone Anti-Submarine Helicopter |
| DASHO | Designated Agency Safety and Health Official |
| DASM | Direct Access Storage Medium |
| DASN(C4I/EW/Space) | Deputy Assistant Secretary of the Navy for (C4I/EW/Space) |
| DASO | Demonstration and Shakedown Operation |
| DASP | Data Administration Strategic Plan |
| DASS | Digital Access Signalling Standard |
| DASS | Digital Access Signalling System |
| DASS | Digital Acoustic Sensor Simulator |
| DASS | Direct Access Secondary Storage, CDRAM |
| DAT | Data Analysis Tool |
| DAT | Days After Term Award |
| DAT | Digital Audio Tape |
| Data Link | A system that allows exchange of digital data over an rf link. ATCSS is a data link system used by the air traffic control system. ACARS is a data link system used by airline command,control and management system,using vhf communication frequencies. |
| Datacard | database. |
| DATINT | Data Intelligence |
| DATS | Data Automated Tower Simulator |
| DATTA | District Attorney’s Technology Theft Association |
| DATU | Data Adapter Termination Unit |
| DATV | Direct Antenna Television |
| DAU | Data Acquisition Unit |
| DAU | Defense Acquisition University |
| DAU | Display adapter Unit |
| DAV | DisAbled Veteran |
| DAVE | Department of Audio-Visual Education |
| DAVIC | Digital Audio-Visual Council |
| DAWG | Data Analysis Working Group |
| DAWIA | Defense Acquisition Workforce Improvement Act |
| DAWIA | Defense Aquistion Workforce Improvement Act |
| DAWN | Defense Attache Worldwide Network |
| DAWS | Defense Automated Warning System |
| DAWS | Digital Advanced Wireless Service |
| dB | Decibel |
| DB | Database |
| DB-DB | Database to Database |
| DB2I | Database to Database Interface |
| DBA | Database Administrator |
| DBA | Design Based Analysis |
| DBA | Dominant Battlespace Awareness |
| DBA | Dynamic Bandwith Assignment |
| dBA | Decibel Adjusted |
| DBAd | Data Base Administrator |
| DBAdm | Data Base Administration |
| DBC | Device Bay Controller |
| DBC | Digital Battlefield Communications |
| DBCR | Data Base Change Request |
| DBCS | Double-Byte Character Set |
| DBD | Data Base |
| DBD | Database Design |
| DBDD | DataBase Design Document |
| DBDF | DataBase Display Function |
| DBDR | DataBase Design Review |
| DBDS | Database Design Specification |
| DBi | Decibels referenced to an isotopic antenna |
| DBi | Decibels above isotopic circular |
| DBK | Dominant Battlefield Knowledge |
| DBK | Dominant Battlespace Knowledge |
| DBL | Development Baseline |
| dBm | Decibel(s) below 1 milliwatt |
| DBM | Dual Bitmap |
| dBm | Decibels referenced to 1 mW |
| DBMD | Database Maintenance Daemon |
| DBME | Database Management Environment |
| DBMS | Data Base Management System |
| DBMS | Database Management System |
| dBmV | Decibels referenced to 1 mV |
| DBOF | Defense Business Operations Fund |
| DBOF | Defense Business Operations Fund (obsolete - see WCF) |
| DBPSK | Differential Binary Phase Shift Keying |
| DBRITE | Digital Bright Radar Indicator Tower Equipment |
| DBS | Direct Broadcast Satellite |
| DBS | Direct Broadcasting by Satellite |
| DBS | Division Battle Simulation |
| DBSL | Deep Battle Synchronization Line |
| DBSM | Data Base Systems Manager |
| Dbsm | Decibel per square meter |
| DBU | Data Base Unit |
| DBw | Decibels referenced to 1 watt |
| DBX | Data Bus Accelerator |
| DC | Direct Current |
| DC | Data Collection |
| DC | Data Compression |
| DC | Deputies Committee |
| DC | Device context |
| DC | Differential Correction |
| DC | Directionality Classification |
| DC | Display Controller |
| DC | Distributed Center |
| DC | District of Columbia |
| DC | Duty Cycle |
| DC-X | Delta Clipper Experimental |
| DC/S (I&L) | Deputy Chief of Staff, Installations and Logistics (USMC) |
| DC10 | Douglas Model DC-10 Aircraft |
| DCA | Data Collection and Analysis |
| DCA | Defense Communications Agency (now DISA) |
| DCA | Defense Courier Agency |
| DCA | Defensive Counter Air |
| DCA | Development Cost Avoidance |
| DCA | Digital Computer Association |
| DCA | Directional Coronary Atherectomy |
| DCA | Document Content Architecture |
| DCA | Document Control Architecture |
| DCA | Dual Capable Aircraft |
| DCA | Dynamic Capacity Allocation |
| DCAA | Defense Contract Audit Agency |
| DCAA | DoD Contract Audit Agency |
| DCAC | Digital Concepts Analysis Center |
| DCADMO | Defense Computer Aided Design and Manufacturing Orientation |
| DCAM | Direct Chip Attach Module |
| DCAOC | Deployable Combined Air Operations Center |
| DCAS | Defense Contract Administrative Services |
| DCASMA | Defense Contracts Administration Systems Agency |
| DCASR | Defense Contract Administrative Services Region |
| DCB | Damage Control Book |
| DCB | Data Control Block |
| DCB | Dynamic Component Bulletin |
| DCC | Display Channel Complex |
| DCC | Damage Control Center |
| DCC | Data Communications Channel |
| DCC | Data Country Code |
| DCC | Digital Communications Controller |
| DCC | Digital Control Channel |
| DCC | Dynamic Component Change |
| DCCH | Digital Control Channel |
| DCCO | Defense Commercial Communications Office |
| DCCR | Display Channel Complex Rehost |
| DCCS | Digital Cross-Connect System |
| DCCS | Distributed Command & Control System |
| DCD | Double Channel Duplex. A communication system using two rf channels,one channel for receive and one channel for transmit operations, for simultaneous communication. |
| DCD | Data Carrier Detect |
| DCD | Data Collection Device |
| DCD | Digital Capture Device |
| DCD | Document Content Definition |
| DCD | Document Content Description |
| DCDS | Distributed Computing Design System |
| DCE | Data Communications Equipment |
| DCE | Data Circuit Terminating Equipment |
| DCE | Defense Coordinating Element |
| DCE | Digital Cellular Equipment |
| DCE | Distributed Computing Environment |
| DCEC | Defense Communications Engineering Center |
| DCF | Data Communication Function |
| DCF | Data Communications Facility |
| DCF | Data Composition Facility |
| DCF | Data Compression Facility |
| DCF | Democratic Control of Forces |
| DCG | Deception Group |
| DCGF | Data Conversion Gateway Function |
| DCGS | Distributed Common Ground System |
| DCI | Data Communication Interface |
| DCI | Defense Capabilities Initiative |
| DCI | Detective Chief Inspector |
| DCI | Digital Consulting Incorporated |
| DCI | Director Central Intelligence |
| DCI | Director Combat Intelligence (Army) |
| DCI | Director for Central Intelligence |
| DCI | Display Control Interface |
| DCID | Director Central Intelligence Directive |
| DCID | Director for Central intelligence |
| DCINC | Deputy Commander In Chief |
| DCIPS | Defense Casualty Information Processing System |
| DCIS | Defense Commissary Information System |
| DCIS | Defense Criminal Investigative Service |
| DCL | DEC Command Language |
| DCL | Digital Command Language |
| DCLE | Data Conversion Language Engine |
| DCLO | Deputy Congressional Liaison Officer |
| DCM | Dangerous Cargo Manifest |
| DCM | Data Communications Manager |
| DCM | Defensive Counter Measures |
| DCM | Deputy Chief of Mission |
| DCMA | Defense Contract Management Agency |
| DCMA | Digital Milennium Copyrite Act |
| DCMA | Digital Millennium Copyright Act |
| DCMAO | Defense Contract Management Area Operations |
| DCMAO | Defense Contract Management Area Operations (obsolete) |
| DCMC | Defense Contract Management Command |
| DCMC | Deputy Chairman Military Committee |
| DCMDE | Defense Contract Management District East |
| DCME | Digital Circuit Multiplication Equipment |
| DCMF | Data Communication Management Function |
| DCML | Data Center Markup Language |
| DCMR | Defense Contract Management Region |
| DCMS | Data Communication Management System |
| DCMS | Digital Circuit Multiplication Systems |
| DCN | Drawing Change Notice |
| DCN | Design Change Notice |
| DCN | Document Change Notice |
| DCN | Data Communication Network |
| DCN | Defense Communications Network |
| DCN | Disconnect |
| DCNO | Deputy Chief of Naval Operations |
| DCO | Debark Control Officer |
| DCO | Defense Coordinating Officer |
| DCO | Dial Central Office |
| DCOM | Distributed Component Object Model |
| DCOMARRC | Deputy Commander ACE Rapid Reaction Corps |
| DCOMOPS | Deputy Commander of Operations |
| DCOR | Defense Committee On Research |
| DCOS | Deputy Chief of Staff |
| DCP | Display Control Panel |
| DCP | Datagram Control Protocol |
| DCP | Decision Coordinating Paper |
| DCP | Defense Communications Plan |
| DCP | Defense Cryptological Program |
| DCP | Digital Communications Protocol |
| DCP | Digital Connectivity Probing |
| DCP | Distributed Collaborative Planning |
| DCP | Distribution Common Point |
| DCPC | Direct Controller Pilot Communication |
| DCPDS | Defense Civilian Personnel Data System |
| DCPS | Data Communications Protocol Standards |
| DCPS | Defense Civilian Payroll System |
| DCPSK | Differentially Coherent Phase-Shift Keying |
| DCPSO | DLA Civilian Personnel Support Office |
| DCR | Degradation Category Rating |
| DCR | Direct Conversion Receiver |
| DCR | Document Change Request |
| DCS | Double Channel Simplex. A communication system using two rf channels for non-simultaneous communication. One channel is disabled while the other channel is used to transmit. |
| DCS | DMA Customization System |
| DCS | Damage Control System |
| DCS | Data Carrier System |
| DCS | Data Collecting Subsystem |
| DCS | Data Collection System |
| DCS | Data Control System |
| DCS | Defense Communications System |
| DCS | Deployable Cellular System |
| DCS | Deputy, Chief of Staff |
| DCS | Desk-top Color Separation |
| DCS | Digital Cellular System |
| DCS | Digital Command Signal |
| DCS | Digital Cross-connect System |
| DCS | Display Control Subsystem |
| DCSINT | Deputy Chief of Staff for Intelligence |
| DCSLOG | Deputy Chief of Staff for Logistics |
| DCSO | Defense Communications System Organization |
| DCSOPS | Deputy Chief of Staff for Operations and Plans |
| DCSP | Design Controlled Spare Parts |
| DCSPER | Deputy Chief of Staff for Personnel |
| DCT | Data Calling Tone |
| DCT | Design, Code, Test |
| DCT | Desktop Computer Terminal |
| DCT | Digital Communication Terminal |
| DCT | Digital Communications Terminal |
| DCT | Discrete Cosine Transform |
| DCTL | Direct Coupled Transistor Logic |
| DCTN | Defense Commercial Telecommunications Network |
| DCTN | Defense Commercial Telephone Network |
| DCU | Data Concentration Unit |
| DCU | Data Control Unit |
| DCU | Debark Control Unit |
| DCU | Display Control Unit |
| DCU | Drum Control Unit |
| DCV | Directional Control Valve |
| DCW | Digital Chart of the World |
| DCWS | Direction, Control and Warning System |
| DD | Data Dictionary |
| DD | Defense Department |
| DD | Delayed Delivery |
| DD | Digital Data |
| DD | Double Density |
| DD Form | Department of Defense Form |
| DD&C | Detailed Design & Construction |
| DD/D | Data Dictionary/Directory |
| DD/DS | Data |
| DD/DS | Data Dictionary/Directory System |
| DDA | Digital Differential Analyzer |
| DDA | Demand Deposit Account |
| DDA | Domain |
| DDA | Domain Defined Attributes |
| DDARS | Distributed Data Archive and Retrieval System |
| DDB | Device Dependent Bitmap |
| DDB | Distributed Database |
| DDB | Dynamic Database |
| DDBMS | Distributed Database Management System |
| DDBP | Dedicated Database Processor |
| DDC | Display Data Control |
| DDC | Distributed Data Communications |
| DDC | Division Data Center |
| DDC | Document Design Center |
| DDCA | Dilbert Density Coefficient Adjustment |
| DDCMP | Digital Data Communications Message Protocol |
| DDD | Dual Disk Drive |
| DDDS | Defense |
| DDDS | Defense Data Dictionary System |
| DDE | Data Dictionary Entry |
| DDE | Direct Data Exchange |
| DDE | Dynamic Data Exchange |
| DDEF | Dilbert/Dogbert Empathy Factor |
| DDEW | Database Design and Evaluation Workbench |
| DDF | Data Decryption Field |
| DDF | Data Descriptive File |
| DDF | Department of Defense Form |
| DDF | Digital Distribution Frame |
| DDG | Deputy Director General |
| DDI | Deputy Director of Intelligence |
| DDI | Device Driver Interface |
| DDI | Direct Dialing In |
| DDI | Director of Defense Information |
| DDI | Director, Defense Information |
| DDK | Driver Development Kit |
| DDL | Data |
| DDL | Data Definition Language |
| DDL | Data Description Language |
| DDL | Data Design Language |
| DDL | Data Distribution List |
| DDM | Difference in Depth of Modulation |
| DDM | Diagnostic Diagrams |
| DDM | Distributed |
| DDM | Distributed Data Management |
| DDML | Document Definition Markup Language |
| DDMOS | Double Diffused Metal Oxide Semiconductor |
| DDMS | Defense Debt Management System |
| DDMT | Data and Decision Management Tool |
| DDN | Defense Data Network |
| DDN | Defense Digital Network |
| DDN | Design Decision Notice |
| DDO | Directorate Of Operations (CIA) |
| DDoS | Distributed Denial of Service |
| DDP | Declarations of Design and Performance. A control document required by the United Kingdom Civil Aviation Authority (CAA) for certification of avionics equipment. |
| DDP | Data Distribution Program |
| DDP | Detailed Deployment Plan |
| DDP | Distributed Data Processing |
| DDR | Direct Digital Receiver |
| DDR | DoD Data Repository |
| DDR | Document Discrepancy Report |
| DDR | Double Data Rate |
| DDR&E | Design Development Research and Engineering |
| DDR&E | Director of Defense Research and Engineering |
| DDR&E | Director, Defense Research and Engineering |
| DDRS | Defense Data Repository System |
| DDRS | DoD Data Repository System |
| DDRSC | Defense Data Repository Steering Committee |
| DDRSDRAM | Double Data Rate SDRAM |
| DDS | Direct Digital Synthesizer |
| DDS | Data Dictionary System |
| DDS | Data Distribution System |
| DDS | Dataphone Digital Service |
| DDS | Defense Distribution System |
| DDS | Design Data Sheet |
| DDS | Digital |
| DDS | Digital Data Service |
| DDS | Digital Data Storage |
| DDS | Digital Data System |
| DDS | Direct |
| DDS | Direct Deposit System |
| DDS | Direct Digital Service |
| DDS | Direct Digital Synthesis |
| DDS | Distributed Data Server |
| DDS | Distributed Data System |
| DDS | Distributed Defense Simulation |
| DDS | Dual Driver Service (courier) |
| DDS-C | Design andDrafting System for Cabling |
| DDS-III | Defense Dissemination System-III |
| DDS-IV | Defense Dissemination System-IV |
| DDSS | Distributed Defense Simulation System |
| DDT | Downlink Data Transfer |
| DDU | Digital Data Unit |
| DDW | Digital Data Warfare |
| DE | Damage Expectancy |
| DE | Data Element |
| DE | Data Engineering |
| DE | Directed Energy |
| DE | Disciplined Engineering |
| DE | Doctor of Engineering |
| DE/CIS | Data Entry/Cockpit Interface System |
| DEA | Data Exchange Agreement |
| DEA | Data Exchange Annex |
| DEA | Drug Enforcement Administration |
| DEA | Drug Enforcement Agency |
| DEAC | Data Exchange Auxiliary Console |
| DEAD | Destruction of Enemy Air Defenses |
| DEAMS | Defense Enterprise Accounting and Management System |
| DEAR | Distance Education Action and Research |
| DEARAS | Defense Emergency Authorities Retrieval & Analysis System |
| DEC | Decode |
| DEC | Decrease |
| DEC | Department of Environmental Conservation |
| DEC | Digital Extended Command |
| DECA | Digital Electronic Control Assembly |
| DeCA | Defense Commissary Agency |
| DECCA | A navigation system widely used by shipping in Europe. The ground facilities consist of a master station and several slave stations. |
| DECCO | Defense Commercial Communications Office |
| Decimal | Base-10 counting system. Numbers include 0,1,2,3,4,5,6,7,8,9. |
| DECM | Deceptive Electronic Counter Measures |
| DECM | Defensive Electronic Countermeasures |
| DECT | Digital European Cordless Telephony |
| DECTED | Double Error Correcting, Triple Error Detecting |
| ded | Dedicated |
| DED | Data Element Definition |
| DED | Data Element Dictionary |
| DED | Data Extraction Device |
| DED | Double Error Detection |
| DEECS | Digital Electonic Engine Control System |
| DEEM | Dynamic Environmental Effects Model |
| DEEM | Dynamic Envirormental Effects Model |
| DEERS | Defense Enrollment Eligibility Reporting System |
| DEF | Data Exchange Format |
| DEF | Detector and Extractor of Fileprints |
| DEFCON | DEFense CONdition |
| DEFCON | Defense Readiness Condition |
| DEFDARS | Digital Expandable Flight Data Acquisition And Recording System |
| DEFI | Data Entry File Inquiry |
| DEFL | Deflection |
| DEFULES | Detachable, Fuel, Utility Liquid Exchange System |
| DEG | Degree |
| DEG | Degrees |
| DEH | Directorate of Engineering and Housing |
| DEIS | Defense Enterprise Integration Services |
| DEK | Data Encrypting Keys |
| DEL | Data Enhancement Layer |
| DEL | Delay |
| DEL | Delete |
| delete | delete |
| DELT | Delta |
| DELT | Double-Ended Loop Testing |
| DEM | Data Element Tool-based Analysis |
| Dem/Val | Demonstration/Validation |
| DeMAID | Design Manager’s Aid for Intelligent Decomposition |
| Demand Mode | AN ACARS mode of operation in which communications may be initiated by the ground processor or the airborne system. |
| DEMO | Demonstration |
| DEMS | Defensively Equipped Merchant Ship |
| DeMS | Deployment Management System (USAF) |
| DEMUX | Demultiplexer |
| DEN | Data Element Number |
| DEN | Directory Enabled Networks |
| DENIS | Defense Environmental Network Information Service |
| DENS | Directed Energy Neutralization System |
| DEO | Digital End Office |
| DEP | Data Execution Prevention |
| DEP | Draft Equipment Publication |
| DEPEX | Deployment Exercise |
| DEPMEDS | Deployable Medical Systems Development System |
| DEPSECDEF | Deputy Secretary of Defense |
| DEPSOP | Deployment Standing Operating Procedure |
| DEPTH | Design Evaluation for Personnel, Training, and Human Factors |
| DEQPSK | Differentially Encoded quadrature Phase Shift Keying |
| DEQUE | Double Ended Queue |
| DER | Digital Extended Request |
| DER | Distinguished Encoding Rules |
| DES | DEStroy |
| DES | Data Encryption Standard |
| DES | Data Erased Systematically |
| DES | Digital Elevation Model |
| DES | Digital Encryption Standard |
| DES | Digital Extend Signal |
| DES | Draft European Standard |
| DESADV | DESpatch ADVice message, EDIFACT |
| DESC | Defense Electronics Supply Center |
| DESCEM | Dynamic Electromagnetic Systems Combat Effectiveness Model |
| DESCOM | Depot System Command |
| Desensitization | TCAS sensitivity level (threat volume) reduction |
| DESGRU | Destroyer Group |
| DESP | Data Element Standardization Program |
| DESP | Data Exchange Service Provider |
| DESP | Development Environment Service Provider |
| DEST | Destination |
| DEST | Domestic Emergency Support Team |
| DET | Data Entry Terminal |
| DET | Detachment |
| DET | Device Executed Trigger |
| DET | Distributed Explosive Technology |
| DET | Dynamic Environment and Terrain |
| DEU | Display Electronics Unit |
| DEV | Deviation |
| DEV | DEVice |
| DEV | Data Element Value |
| DEVA | Document-Enabled Virtual Applications |
| DEW | Defensive Electronic Warfare |
| DEW | Directed Energy Weapon |
| DEW | Directed-Energy Weapon |
| DEWCOM | Divisional Electronic Warfare Combat Model |
| DEXES | Deployable Exercise System |
| DF | Data Field |
| DF | Data Format |
| DF | Data Fusion |
| DF | Deblocking Filter |
| DF | Defensive Fire |
| DF | Destination Field |
| DF | Device Flag |
| DF | Direction Finder |
| DF | Direction Finding |
| DF | Directional Finder |
| DF-KBS | Data Fusion Knowledge Based System |
| DF-STP | DeFault Signal Transmission Parameters |
| DFA | Direction Finding Antenna |
| DFA | Design For Accessibility |
| DFA | Design For Assembly |
| DFA | Design For Availability |
| DFAD | Digital Feature Analysis Data |
| DFAD | Digital Feature Attribute Data |
| DFAD | Digital Features Analysis Data |
| DFAR | Defense Federal Acquisition Regulation |
| DFARS | Defense Federal Acquisition Regulation Supplement |
| DFARS | Defense Federal Acquistion Regulation Supplement |
| DFARS | DoD Federal Acquisition Regulation Supplement |
| DFAS | Defense Finance and Accounting Service |
| DFAS TSO | Defense Finance and Accounting Service Technology Services Organization |
| DFAS-TSOPE | Defense Finance and Accounting Service-Technology Services Organization-Pensacola |
| DFAT | Department of Foreign Affairs and Trade, Australia |
| DFB | Distributed FeedBack |
| DFC | Data Flow Control |
| DFC | Diagnostic Flow Charts |
| DFC | Disaster Finance Center |
| DFCO-M | Deputy Federal Coordinating Officer for Mitigation |
| DFCS | Digital Flight Control System |
| DFD | Data Flow Diagram |
| DFD | Data Fusion demonstrator |
| DFD | Displaced Frame Difference |
| DFDAF | Digital Flight Data Acquisition Function |
| DFDAU | Digital Flight Data Acquisition Unit. The DFDAU samples, conditions and digitizes the flight data. |
| DFDR | Digital Flight Data Recorder |
| DFDU | Digital Flight Data Unit |
| DFE | Decision Feedback Equalizer |
| DFF | Design For Flexibility |
| DFHSM | Data Facility Hierarchical Storage Manager |
| DFI | Data Field Identifier |
| DFIDU | Dual Function Interactive Display Unit |
| DFIU | Digital Flight Instrument Unit |
| DFL | Data File Line |
| DFL | Design For Loyalty |
| DFM | Design For Manufacturability |
| DFM | Design For Manufacturing |
| DFM | Design for Margins |
| DFMA | Design for Manufacturing/Assembly |
| DFNS | Data File Management System |
| DFO | Disaster Field Office |
| DFON | Derived Federation Object Model |
| DFP | Design For Purchasability |
| DFP | Display Function Processor |
| DFP | Distributed Functional Plane |
| DFPA | Defense Fire Protection Association |
| DFR | Design For Reliability |
| DFR | Design for Reuse |
| DFR | Digital Flight recorder |
| DFS | Distributed File System |
| DFSAM | Direct Fire Stand Alone Model |
| DFSC | Defense Fuel Supply Center |
| DFT | Design For Test |
| DFT | Design For Testing |
| DFT | Diagnostic Function Test |
| DFT | Discrete Fourier Transform |
| DFT | Distributed Function Terminal |
| DFU | Digital Function Unit |
| DFW | Dallas FortWorth Airport |
| DFWL | Direct Fire Weapons Line |
| DFX | Design For eXcellence |
| DG | Data General |
| DG | Direction gŽnŽrale [NAMSA] |
| DG | Director General |
| DG | Drafting Group |
| DGCC | Defense Information Systems Agency Global Control Center |
| DGDEM | Dynamic Generalized |
| DGI | Digital Geographic Information |
| DGIAP | Defense General Intelligence and Applications Program |
| DGIF | Deployable Ground Intercept Facilities |
| DGIS | Defense Gateway Information System |
| DGIS | Direct Graphics Interface Standard |
| DGIWG | Digital Geographic Information Working Group |
| DGK | Directory GateKeeper |
| DGL | Device Independent Graphics Language/Libraries, see also AGP |
| DGL | Distributed Graphics Library, Silicon Graphics |
| DGM | Deputy General Manager |
| DGM | Digital Group Multiplexer |
| DGNSS | Differential Global Navigation Satellite System |
| DGPS | Differential Global Positioning System |
| DGS | Deployable Ground System |
| DGS | Digital Station |
| DGSA | Defense Goal Security Architecture |
| DGSA | DoD Goal Security Architecture |
| DGSC | Defense General Supply Center |
| DGSS | Data-link Ground System Standard |
| DGTS | Dynamic Ground Target Simulator |
| DGU | Display Generation Unit |
| DGZ | Desired Ground Zero |
| DH | Decision Height |
| DH | Dataflash Header |
| DH | Diffie-Hellman protocol |
| DHA | Department of Homeland Security |
| DHA | Departure Holding Area |
| DHC | Dynamic Host Control |
| DHCF | Distributed Host Command Facility |
| DHCP | Dynamic Host Configuration Protocol |
| DHE | Document Handling Equipment |
| DHI | Defense Hydrographic Initiative |
| DHIS | Distributed Heterogeneous Information Systems |
| DHOD | Deputy head of delegation |
| DHOV | Depart from Hover |
| DHPCMP | Defense High Performance Computing Modernization Plan |
| DHQ | Division HeadQuarters (Army) |
| DHS | Digital Hash Standard |
| DHV | Doors/Hatches/Vents |
| DI | Data Interrupt |
| DI | Data Item |
| DI | Date Integrity |
| DI | Detective Inspector |
| DI | Developmental Item |
| DI | Digital Interface |
| DI | Directing Implementation |
| DI | Dismounted Infantry |
| DI | Distribution Interface |
| DIA | Denver International Airport |
| DIA | Defense Intelligence Agency |
| DIA | Document Interchange Architecture |
| DIAC | Defense Intelligence Analysis Center |
| DIAL | Differential Absorption Lidar |
| DIAL | Distributed intelligent Architecture for Logistics |
| DIANA | Descriptive Intermediate Attributed Notation Ada |
| DIAOLS | Defense Intelligence Agency On Line System |
| DIAP | Defense-wide Information Assurance Program |
| DIAS | DGPS Instrument Approach System |
| DIB | Data Input Bus |
| DIB | Defense Industrial Base |
| DIB | Defense Information Base |
| DIB | Device Independent Bitmap |
| DIB | Directory Information Base |
| DIBTS | Digital In Band Trunk Signaling |
| DIC | Document Identifier Code |
| DICASS | Directional Command Activated Sonobouy System |
| DICE | DARPA Initiative for Concurrent Engineering |
| DICE | DARPA Initiative in Concurrent Engineering |
| DICE | Data Integration and Collection Environment |
| DICE | Distributed Interactive C31 Effectiveness simulation program |
| DICOM | Digital Imaging and Communications in Medicine |
| DICONSTAFF | Directing, Controlling Staff |
| DICP | Defense Intelligence Counterdrug Program |
| DID | Data Item Description |
| DID | Digital Interface Device |
| DIDHS | Deployable Intelligence Data Handling System (Army) |
| DIDHS | Deployed Intelligence Data Handling System |
| DIDM | Distributed Internet Discovery and Monitoring |
| DIDOP | Digital Image Data Output Product |
| DIDS | Defense Integrated Data System |
| DIDS | Distributed Intrusions Detection System |
| DIEB | Defense Intelligence Executive Board |
| DIF | Data Interchange Format |
| DIF | Display Interface |
| DIF | Document Interchange Format |
| DIFAR | Directional Frequency and Ranging |
| DIFF | Differential |
| DiffServ | Differentiated Services |
| DIGEST | Digital Geographic Information Exchange Standard |
| DII | Defense Industry Initiative |
| DII | Defense Information Infrastructure |
| DII | Dynamic Invocation Interface |
| DII COE | Defense Information Infrastructure Common Operating Environment |
| DIICC | Defense Information Infrastructure Control Concept |
| DIIHSMD | Defense Information Infrastructure Hardware/Software Management Department |
| DIIP | Direct Interrupt Identification Port |
| DIL | Digital Integration Laboratory |
| DIL | Dual In Line |
| DIL/T | Digital Integration Laboratory/Testbed |
| DILCS | Dedicated Intelligence Loop Circuit System |
| DIM | Data Input Message |
| DIM | Dealer Installed Memory |
| DIM | Defense Information Management |
| DIM | Director of Information Management |
| DIM | Discrete Interface Module |
| DIME | Development of Integrated Monetary Electronics |
| DIME | Digital Integrated Modeling Environment |
| DIMHRS | Defense Integrated Military Human Resources System |
| DIMM | Dual In-line Memory Module |
| DIMRS | Digital Integrated Mobile Radio System |
| DIN | Defense Intelligence Network |
| DIN | Device Identification Number |
| DINSUM | Defense Intelligence Notice Summary |
| DIO | Data Input-Output |
| DIO | Defensive Information Operations |
| DIO | Direct Input Output |
| DIO | Directorate of Industrial Operations |
| DIO | Division Information Officer |
| DIP | Dual In line Package. The most common package configuration for integrated circuits. |
| DIP | Data Interrupt Program |
| DIP | Data Interchange Format |
| DIP | Defense Imagery Program |
| DIP | Destination Internet Protocol |
| DIP | Dual Inline Package |
| DIP | Dual Inline Pin |
| DIPEC | Defense Industrial Plant Equipment Center |
| DIR | Director |
| DIR | Direction |
| DIRCM | Directional Infrared Countermeasure |
| DIRDONIRM | Director, Department of the Navy, Information Resources Management (old office) |
| Directed Mode | A DME operating mode that allows an FMCS to select one to five DME stations for interrogation. |
| DIREP | Difficulty Report |
| DIRLAUTH | Direct Liaison Authorized |
| DIRNSA | Director National Security Agency |
| DIRNSA | Director, National Security Agency |
| DIRPAT | Director Permanent Analysis Team |
| DIRSP | Dynamic infrared Scene Projector |
| DIS | Data Interpretation System |
| DIS | Defense Information System |
| DIS | Defense Investigative Service |
| DIS | Digital Identification Signal |
| DIS | Disposal |
| DIS | Distributed Information System |
| DIS | Distributed Interactive Simulation |
| DIS | Draft International Standard |
| DISA | Data Interchange Standards Association |
| DISA | Defense Information Systems Agency |
| DISA | Direct Inward System Access |
| DISA-IS | DISA Information System |
| DISA/CI | Defense Information Systems Agency/Center for Information |
| DISA/CIM | Defense Information Systems Agency/Center for Information Manangement |
| DISABL | Disable |
| DISAM | Defense Institute of Security Assistance Management |
| DISANet | Defense Information Systems Agency Network |
| DISBEE | Digital Intermediate Speed Bulk Encryption Equipment |
| DISC | Defense Industrial Supply Center |
| DISC | Defense Information System Council |
| DISC | Digital International Switching Centre |
| DISC | Disaster Information Systems Clearinghouse |
| DISC4 | Director of Information Systems Command, Control, Communications, and Computers |
| DISC4 | Director of Information Systems for Command, Control, Communications and Computers |
| DISCH | Discharge |
| DISCO | Defense Industrial Security Clearance Office |
| DISCO | Domestic-International Satellite Consideration Order |
| DISE | Deployable Intelligence Support Element |
| DISE | Direct Intelligence Support Element |
| DISENG | Disengage |
| DISH | Data Interchange for Shipping |
| DISMAN | DIStributed MANagement |
| DISN | Defense Information System Network |
| DISN | Defense Information Systems Network |
| DISN | Defense Integrated Switching Network |
| DISNET | Defense Integrated Secure Network |
| DISO | Defense Information Services Organization |
| DISOSS | Distributed Office Supported System |
| DISP | Defense Industrial Security Program |
| DISP | Directory Information Shadowing Protocol |
| DISP | Dispenser |
| DISP | Display |
| DISS | Distributed Interactive Simulation and Stimulation |
| DISSIT | Distributed Interactive Simulation Synthesis with Interactive Television |
| DISSP | Defense Information System Security Program |
| DISSUB | Disabled/distressed Submarine |
| DIST | Defense Integration Support Tools |
| DIST | Distance |
| DIST-EAGLE | Distributed Interactive System for Eagle |
| DISTAFF | Directing Staff |
| DISTAR | Distributed Interactive Simulation Technologies in After Action Review |
| DISTP | Defense Intelligence Special Technology Program |
| DISUM | Defense Intelligence Summary |
| DIT | Directory Information Tree |
| DITCO | Defense Information Technology Contracting Office |
| DITPRO | Defense Information Technical Procurement Office |
| DITS | Data Information Transfer System |
| DITSCAP | Defense Information Technology Security Certification and Accreditation Process |
| DITSO | Defense Information Technology Services Organization |
| DITY | Do It Yourself |
| DIV | Division |
| DIVE | Dismounted Infantry in a Virtual Environment |
| DIVERTR | Diverter |
| DIVO | Digital Video Option Board |
| DIW | Defensive Information Warfare |
| DIW | Detection, Identification and Warning |
| DIWS | Digital Imagery Work Station |
| DIWSA | Digital Imagery Work Station Afloat |
| DIWTA | Defense Information Warfare Technology Application |
| DJ | Distributed JANUS |
| DJMPS | Defense Joint Military Pay System |
| DJMS | Defense Joint Military System |
| DJSC | Digital Junction Switching Centre |
| DJSM | Director Joint Staff, Memorandum |
| DJTFAC | Deployable Joint Task Force Augmentation Cell |
| DKE | Digital Knowledge Environment |
| DKNF | Domain Key Normal Form |
| DKP | Distributed Knowledge Processing |
| DL | Data Link |
| DL | Demarcation Line |
| DL | Diode Logic |
| DL | Direct Labor |
| DL | Distance Learning |
| DL | Distributed Learning |
| DL | Document List |
| DL | Down Link |
| DLA | Data Link Address |
| DLA | Defense Logistics Agency |
| DLA | Dislocation Allowance |
| DLC | Data Link Control Display Unit |
| DLC | Data Link Control |
| DLC | Digital Loop Carrier |
| DLC | Dynamic Load Control |
| DLCI | Data Link Connection Identifier |
| DLDED | Division Level Data Entry Device |
| DLE | Data Link Escape |
| DLE | Digital Local Exchange |
| DLEC | Data Local Exchange Carrier |
| DLED | Dedicated Loop Encryption Device |
| DLED | Digital Loop Encryption Device |
| DLGF | Data Load Gateway Function |
| DLI | Data Link Interface |
| DLIS | Defense Logistics Information Service (formerly known as Defense Logistics Services Center (DLSC)) |
