| Acronym | Meaning |
| BN | Brunei (ISO 3166 Digram; FIPS 10-4 Country Code) |
| ABMC | American Battle Monuments Commission |
| UDP | User Datagram Protocol |
| CIV | C?te D'Ivoire (ISO 3166 Trigram) |
| DIF | Data Interchange Format |
| NRTA | National Thoroughbred Racing Association - National Rat Terrier Association - National Retail Tenants Association - National Retired Teachers Association - Northwest Regional Transmission Association |
| HEAT | High Explosive Anti-Tank (ammunition) |
| SGD | Singapore Dollar (ISO 4217 Currency Code) |
| S&TCD | CERDEC Space And Terrestrial Communications Directorate |
| FAA | U.S. Federal Aviation Administration - Financial Aid Administrator - Fleet Air Arm - Functional Area Analysis |