| Acronym | Meaning |
| MIP | Multilateral Interoperability Programme - Multiple Identity Poster |
| C4ISR OR C?ISR | Command |
| ORR | Oak Ridge Reservation (U.S. DOE) - Office Of Rail Regulation (UK Government) - Office Of Refugee Resettlement - (CIA) Office Of Research And Reports - Operational Readiness Rate - Operational Readiness Review |
| DIF | Data Interchange Format |
| PFP | Partnership For Peace |
| FFA | Forum Fisheries Agency -Free-Fire Area - Fusiform Face Area - Football Federation Australia - Future Farmers Of America (today The National FFA Organization) |
| ALB | Albania (ISO 3166 Trigram) |
| CBLA | Comparative Bullet Lead Analysis |
| MTM | Methods-Time Measurement |
| LULU | Locally Unwanted Land Use (urbanism) |