| Acronyms | Meaning / Significance |
Source |
| D | document | |
| D&E | demonstration and evaluation programme | |
| D/L | down link | APD 04.05.03 (95)04 |
| D-CAS | digital channel associated signalling | |
| DA | data administration | |
| DA | Data Administrator | |
| DAA | deployment assembly area | |
| DAB | Dortmunder Aktien Brauerei | |
| DAC | demodulator access controller | |
| DAC | deployable ACCS component | |
| DAC | discretionary access control | |
| DACAN | distribution and accounting agency | MC 108/5 |
| DAD | demonstration architecture document | STC CSNI final report 22/9/95 |
| DAD | draft addendum | |
| DAMA | demand assigned multiple access | satellite communication |
| DAMA | demend assignment multiple access | STC CSNI final report 22/9/95 |
| DAN | depenses administratives nationales | |
| DAO | Data Administration Organization | ADSIA(ADP)-C-007-96 |
| DAO | duty alerting officer | |
| DAP | date achevement prevue | |
| DAP | directory access protocol | |
| DARPA | defense advanced research projects agancy | |
| DAT | Digital Audio Tape | |
| Datex | data exchange | |
| Datex-J | data exchange für Jedermann | |
| DBA | Database Administrator | |
| DBIWG | database intelligence working group | |
| DBMS | data base management system | |
| DCA | defence communications agency | |
| DCA | defensive counter air | |
| DCA | dual capable A/C | |
| DCAOC | deployable combined air operation centre | |
| DCC | domain control centre | |
| DCDM | digitally controlled delta modulation | |
| DCE | data circuit equipment | CCITT |
| DCL | description control language | |
| DCO | duty communications officer | |
| DCOS | deputy chief of staff | |
| DCP | deployable command post | |
| DCS | defence communications system | US comm in Europe |
| DCTS | data communication terminal system | |
| DCW | Digital Chart of the World | |
| DD | draft document | |
| DDA | domain-defined attribute | |
| DDC | data display console | |
| DDF | digital distribution frame | |
| DDG | deputy director general | |
| DDI | developing defence industries | |
| DDI | Direct Dialing In | |
| DDL | data definition language | |
| DDL | digital data link | |
| DDN | data directory number | |
| DDN | defence data network | US DOD |
| DDN | digital data network | |
| DEB | digital European backbone | |
| DEC | data exchange channel | |
| DEC | derniere estimation de cout | |
| DEC | Digital Equipment Corporation | |
| DECT | digital European cordless communications | |
| DEE | digital encryption equipment | |
| DEFS | data encryption file system | ACE ACCIS core cap specs |
| DEKMS | DACAN electronic key management system | |
| DEL | direct exchange line | |
| DEP | data exchange and processing | |
| DERA | defense evaluation and research agency | UK |
| DERD | Darstellung extrahierter Radar-Daten | |
| DES | data encryption standard | |
| DF | direction finding | |
| DF | distribution frame | |
| DFC | deputy financial controller | |
| DFD | data fusion demonstrator | |
| DFTS | defense fixed telecommunication system | UK mil infra network |
| DG | defence guidance | |
| DG | director general | |
| DG | duty general | |
| DGIS | digital graphic information service | ACE ACCIS core cap specs |
| DGNSS | differntial global navigation satellite system | |
| DH | dataflsh header | |
| DHD | domain help desk | |
| DHDS | data handling and display system | |
| DHRX | digital hypothetical reference connection | |
| DHS | document handling system | |
| DIA | defence intelligence agency | US project for DDN integration |
| DID | Direct Inawrd Dialling | |
| DIDS | distribute intrusion detection system | |
| DIGEST | digital geographic information exchange standard | |
| DIIS | dedicated intelligence information system | |
| DILCS | dedicated intelligence loop circuit system | |
| DIR | Demonstration Issue Report | |
| DIR | directorate | |
| DIR | directory | |
| DIS | defense information system | life cycle methodology |
| DIS | distributed interactive simulation | |
| DIS | draft international standard | ISO |
| DISA | defense information systems agency | |
| DISBEE | digital intermediate speed bulk encryption equipment | |
| DISNET | defence integrated secure network | |
| DISTAFF | directing staff | |
| DISTEL | digitales Info-System für taktische Einsatzzentralen der Luftwaffe | |
| DIT | directory information tree | |
| DITSN | digital Italian Tri-Service network | |
| DL | data link | |
| DLCP | data link change proposal | |
| DLCU | data link control unit | |
| DLE | defeat the lead echelon | |
| DLP | data link procedure | |
| DLP | data link protocol | |
| DLS | data link service | |
| DLT | data link terminal | |
| DLWG | data link working group | |
| DM | data management | |
| DMA | Defence Mapping Agency | |
| DMA | direct memory access | |
| DME | distance measuring equipment | |
| DME | distributed management environment | |
| DML | data manipulation language | |
| DMP | data multi-processor | mode S |
| DMS | defence management system | US project for DDN integration |
| DMS | defence message system | AC/317-N/833 |
| DNA | Defence Nuclear Agency | |
| DNI | Digital NATO Interface | |
| DNS | Direct NICS Subscriber | NACISA/APD/04.07.00(95)001 |
| DNS | domain name server | STC CSNI final report 22/9/95 |
| DNS | dynamic name service | Ex Strong Resolve 95 |
| DNSP | draft NATO standardised profile | |
| DOB | dispersed operating base | |
| DOBS | DISTAFF order of battle system | |
| DOD | department of defense | |
| DOI | department of industry | |
| DOL | deployed operations location | APD 04.05.03 (95)04 |
| DOL | dispersed operating location | |
| DOLCE | Digital On-line Crypto Equipment | |
| DOP | director of operations | |
| DoS | Denial of Service | |
| DOS | director of support | |
| DP | draft proposal | |
| DPA | Dayton peace agreement | |
| DPC | Defense Planning Council | APD 04.05.03 (95)04 |
| DPDA | date prevue de demande d'autorisation | EDAR |
| DPDS | data processing distribution system | |
| DPNSS | Digital Private Network Signalling System | |
| DPP | defence planning and policy division | NATO IS division |
| DPQ | defense planning questionnaire | |
| DPSK | differential phase shift keyed | |
| DQDB | distributed queue dual bus | |
| DRA | defense research agency | UK |
| DRAS | DFS reply analysis system | |
| DRC | Defence Review Committee | |
| DRG | defence research group | |
| DRR | Defense Requirements Review | |
| DRS | draft requirement statement | |
| DS | decision sheet | |
| DS | Defense Support Division | NATO IS division |
| DS | directory services | |
| DS | draft STANAG | |
| DSA | defense shipping agency | |
| DSA | directory service agent | AC/317-N/846 |
| DSA | directory system agent | AC/317-N/846 |
| DSATS | Digital SHAPE Area Transmission System | |
| DSCS | Defense Satellite Communications System (US) | STC CSNI final report 22/9/95 |
| DSE | Data Switching Equipment | |
| DSF | depoyed SHED facility | |
| DSN | Defense Switched Network | |
| DSN | digital switched network | |
| DSP | directory system protocol | |
| DSP | domain specific part | |
| DSS | data server system | |
| DSS | digital signature standard | |
| DSSS | direct sequence spread spectrum | |
| DSSSL | document style semantics and specification language | |
| DST | decision support tools | |
| DTA | division technical advisor | |
| DTBR | down time before repair | ACE ACCIS core cap specs |
| DTC | department of trade and commerce | |
| DTD | data transfer device | |
| DTD | document type definition | ACE ACCIS core cap specs |
| DTE | data terminal equipment | |
| DTE | data terminating equipment | CCITT |
| DTED | digital terrain evaluation data | ACE ACCIS core cap specs |
| DTL | Daily Target List | |
| DTMP | data comm. protocol standards technical managem. panel | |
| DTR | draft technical report | |
| DTS | data terminal set | |
| DU | dial up | |
| DUA | directory user agent | |
| DUSS | data unit specific software | |
| DÜV | Datenübertragungs- und -vermittlungssystem | |
| DVITS | digital video image transmission system | |
| DWS | distributed wargaming system | |
| DXS | digital cross-connect |