| Acronym | Meaning |
| SSRI | Selective Serotonin Reuptake Inhibitor - Social Systems Research Institute |
| TNT | TriNitroToluene |
| SB | Solomon Islands (ISO 3166 Digram) |
| MOSS | MObile Submarine Simulator -Moving Object Support System |
| VLAD | Vertical Line Array DIFAR |
| PPM | Parts Per Million |
| KM | Khmer Language (ISO 639-1 Code) - Kilometre |
| UK | United Kingdom (alsoFIPS 10-4 Country Code) - University Of Kentucky |
| LOTIS | Livermore Optical Transient Imaging System |
| RU | Russian Language (ISO 639-1 Code) |