| Acronym | Meaning |
| YT | Mayotte (ISO 3166 Digram) - Yottatesla - Yukon Territory (postal Symbol) |
| DIME | Dense Inert Metal Explosive |
| CDT | Commandant |
| ETF | Emergency Task Force (a Special Police Unit |
| SD | Sheriff's Department - Smoke/Decontamination-South Dakota (postal Symbol) - Sudan (ISO 3166 Digram) |
| STR | Short Tandem Repeat (DNA Analysis) |
| DXA | Dual-energy X-ray Absorptiometry |
| C2 OR C? | Command And Control |
| RCC | Rescue Co-ordination Centre |
| HMV | His Master's Voice |