| Acronym | Meaning |
| HBR | Human Behaviour Representation |
| SV | El Salvador (ISO 3166 Digram) -Sportverein (German For Sport Association |
| DSID | Dismounted Soldier Identification System |
| PDG | President Director General - Product Development Group |
| DF | Direct Fire - Direction Finding |
| BTIS | Battlefield Target Identification System |
| LNB | Low-Noise Block (Satellite Dish) |
| TN | Tennessee (postal Symbol) - Teranewton - Tonga (FIPS 10-4 Country Code) - Tunisia (ISO 3166 Digram) |
| HST | See Entry |
| CJO | Chief Of Joint Operations |