| Acronym | Meaning |
| RUSI | Royal United Services Institute For Defence Studies |
| PLI | P?li Language (ISO 639-2 Code) |
| SLE | Sierra Leone (ISO 3166 Trigram) |
| ISCCP | International Satellite Cloud Climatology Project |
| NCB | National Codification Bureau |
| III | Three (in Roman Numerals) |
| OPORD | Operation Order |
| BS | Bosnian Language (ISO 639-1 Code) |
| RERC | Rehabilitation Engineering Research Center |
| DRDC | Defence Research & Development Canada |