| Subject | English | Thesaurus |
| abbr., scottish | Agreement on Defence Co-operation | ADC |
| abbr., scottish | Air Defence Technology programme | ADT |
| abbr., scottish | Co-operative Air & Missile Defence Exercise Network | CAMDEN |
| abbr., scottish | Defence Advanced Lithography Program | DALP (USA) |
| abbr., scottish | Defence & Aerospace Publishing Services SA | DAPS (Switzerland) |
| abbr., scottish | Defence Analytical Services Agency | DASA |
| abbr., scottish | Defence Blood Transfusion Services | DBTS |
| abbr., scottish | Defence Contract Administration Services Representative | DCASR (USA) |
| abbr., scottish | Defence Co-operation Agreement | DCA |
| abbr., scottish | Defence Co-operation in Armaments | DCA |
| abbr., scottish | Defence Export Services Organisation | DESO (UK) |
| abbr., mil., BrE | Defence Export Services Organization | DESO |
| energ.ind., abbr. | Defence Facilities Decommissioning Program Office | DFDPO |
| abbr., scottish | Defence Industry Development programme | DID (Australia) |
| abbr., mil., Canada | Defence Industry Productivity Program | DIPP |
| abbr., scottish | Defence Industry Productivity Programme | DIPP (Canada) |
| abbr., scottish | Defence Information Technology Co-ordinating Committee | DITCC |
| abbr., scottish | Defence Medical Services | DMS |
| abbr. | Defence Meteorological Satellite Program | DMSP (Vosoni) |
| abbr., scottish | Defence Meteorological Satellite Programme | DMSP |
| abbr., scottish | Defence Movements Co-ordinating Committee | DMCC |
| abbr., scottish | Defence Services Academy | DSA (Myanmar) |
| el., abbr. | Defence Systems Application Program | DSAP |
| abbr., scottish | European Co-operative Long-Term Initiative in Defence | EUCLID |
| abbr. | European Defence Improvement Program | EDIP |
| abbr., scottish | European Defence Improvement Programme | EDIP (NATO) |
| abbr., astronaut. | European Research Grouping Arrangement No 1 concerning Co-Operative Defence Research and Technology Projects | ERG-1 2002 (semfromshire) |
| abbr., scottish | Five-Year Defence Programme | FYDP |
| abbr., scottish | General Defence Intelligence Programme office | GDIP (USA) |
| abbr., scottish | High Intensity Laser Missile Defence System | HILMDS |
| abbr. | Long Term Defence Programme | LTDP |
| abbr., scottish | Long-Term Defence Programme | LTDP (UK) |
| abbr., scottish | National Defence Programme Outline | NDPO (Japan) |
| abbr., scottish | Norwegian Defence Communications & Data Services Administration | NODECA |
| abbr., scottish | Royal United Services Institute for defence studies | RUSI (UK) |
| abbr. | Royal United Services Institute for Defence Studies | RUSI |
| abbr., scottish | Soviet Strategic Defence Programme | SSDP |
