| Acronym | Meaning |
| RUSI | Royal United Services Institute For Defence Studies |
| PEI | Prince Edward Island - PolyEtherImide |
| ECHO | Each Community Helps Others (EPA Programme) - Educational Concerns For Hunger Organization - European Commission Host Organization - European Commission Humanitarian Aid Office -Exchange Clearing House - Expanded Characteristic Option -Explanatory Coheren |
| DISCOM | Division Support Command |
| FRAGO | Fragmentary Order (military) |
| USAID | United States Agency For International Development |
| ORD | O'hare International Airport In Chicago |
| JTAGS | Joint Tactical Ground Station (djay-tagz) |
| CHA | Chamorro Language (ISO 639-2 Code) |
| ASEAN | Association Of South East Asian Nations |