| Acronym | Meaning |
| OH | Ohio (postal Symbol) |
| FONSI | Finding Of No Significant Impact |
| TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |
| SIW | Simulation Interoperability Workshop |
| BTR | Bronetransporter (??? = ???????????????? (Heavy) Armoured (Personnel) Transporter) ? |
| CDC | Centers For Disease Control And Prevention - Control Data Corporation - Cult Of The Dead Cow |
| JRA | Japanese Red Army - Joint Rear Area |
| LA | Latin Language (ISO 639-1 Code) |
| HU | Hungary (ISO 3166 Digram; FIPS 10-4 Country Code) |
| UNGEGN | United Nations Group Of Experts On Geographic Names |