| Acronym | Meaning |
| PDN | Pull-Down Network |
| JTLS | Joint Theater Level Simulation |
| EEZ | Economic Exclusion Zone Or Exclusive Economic Zone |
| MMEV | Multi-Mission Effects Vehicle |
| KPNO | Kitt Peak National Observatory |
| SK | Saskatchewan (postal Symbol) - Slovakia (ISO 3166 Digram) |
| OB | Obiit (Latin |
| LIBS | Laser Induced Breakdown Spectroscopy |
| SAU | Saudi Arabia (ISO 3166 Trigram) |
| LUG | Luganda Language (ISO 639-2 Code) |