| Acronym | Meaning |
| SSRI | Selective Serotonin Reuptake Inhibitor - Social Systems Research Institute |
| PI | P?li Language (ISO 639-1 Code) |
| JP | Japan (ISO 3166 Digram) -Justice Of The Peace |
| TDP | Technology Demonstration Programme |
| EMA | European Medicines Agency |
| LAR | Light Armoured Reconnaissance - Logistics Assistance Representative |
| CMR | Cameroon (ISO 3166 Trigram) -Coaxial Main Rotors (helicopter Type) |
| MCI | Microwave Communications |
| IND | Indonesian Language (ISO 639-2 Code) |
| AAR | After-Action Review - Association Of American Railroads |