| Acronym | Meaning |
| WRS | Worldwide Reference System |
| IKU | Inuktitut Language (ISO 639-2 Code) |
| KZ | Kazakhstan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| C2 OR C? | Command And Control |
| BWR | Boiling-Water Reactor |
| CHV | Chuvash Language (ISO 639-2 Code) |
| NAILS | National Airspace Integrated Logistics System |
| IHR | Institute For Historical Review |
| AN | Attonewton |
| HQDA | HeadQuarters |