| Acronym | Meaning |
| RGB | Red Green Blue (colour Model) |
| BQ | British Antarctic Territory (ISO 3166 Digram; Merged With AQ In 1979) - Navassa Island (FIPS 10-4 Territory Code) |
| RTFM | Read The Fucking/Fine Manual |
| FHI | Family Health International |
| OODA | Observation |
| KW | Kuwait (ISO 3166 Digram) |
| MLLW | Mean Lower Low Water (nautical Charts) |
| NARDIC | U.S. Navy Acquisition Research And Development Information Center |
| RON | Romanian Language (ISO 639-2 Code) |
| CHN | China (ISO 3166 Trigram) |