| Acronym | Meaning |
| NRTA | National Thoroughbred Racing Association - National Rat Terrier Association - National Retail Tenants Association - National Retired Teachers Association - Northwest Regional Transmission Association |
| VIDS | Visual Information Display System |
| HDRA | Henry Doubleday Research Association |
| TAS | Tasmania (postal Symbol) |
| OAU | Organization For African Unity |
| RAMARK | RAdar MARKer |
| UCAV | Unmanned Combat Air Vehicle |
| EOSDIS | Earth Observation Satellite Data And Information System |
| MIRV | Multiple Independent Reentry Vehicle |
| BST | Binary Search Tree - Blended Sales Tax -Bovine Somatotropin -British Summer Time |