| Acronym | Meaning |
 | RUS | Russian Language (ISO 639-2 Code) |
| BKN | Broken Sky (METAR Code) |
| EG | Egypt (ISO 3166 Digram; FIPS 10-4 Country Code) |
| HAT | Haitian Creole Language (ISO 639-2 Code) |
| A/D | Analog/Digital |
| PSE | Palestine (ISO 3166 Trigram) |
| NIMH | National Institute Of Medical Herbalists - National Institute Of Mental Health |
| BASE | Building |
| WEZ | Weapon Engagement Zone |
| ORD | Office Of Research And Development - Operational Requirements Document |
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