| Acronym | Meaning |
 | UR | Soviet Union (NATO Country Code |
| CD | Cadmium |
| BRN | Brunei (ISO 3166 Trigram) |
| ARRF | Allied Rapid Reaction Force |
| AE | Avestan Language (ISO 639-1 Code) |
| ICES | International Council For The Explorationof The Seas |
| HEU | Highly Enriched Uranium |
| HW | Hardware -High Water (nautical Charts) |
| NBT | Nitroblue Tetrazolium (assay) |
| HCF | Highest Common Factor |
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