| Acronym | Meaning |
| TON | Tongan Language (ISO 639-2 Code) |
| AFAICT | As Far As I Can Tell |
| LRICBM | Limited Range ICBM |
| OSDL | Open Source Development Labs |
| ABPI | Association Of The British Pharmaceutical Industry |
| TDP | Technology Demonstration Programme |
| AT | Anti-Tank -Ashmore And Cartier Islands (FIPS 10-4 Territory Code) - Austria (ISO 3166 Digram) -Advanced Technology (IBM Personal Computer/AT) |
| ROTC | Reserve Officer Training Corps (Rawt-Cee) |
| USAIC | U.S. Army Infantry Center - U.S. Army Intelligence Center |
| HE | Helium |