| Acronym | Meaning |
| MIDS | Multi-Function Information Distribution System |
| CIV | C?te D'Ivoire (ISO 3166 Trigram) |
| RS | Russia (FIPS 10-4 Country Code) |
| MLI | Mali (ISO 3166 Trigram) |
| HG | Mercury (Latin Hydrargyrum) |
| ASTIA | Armed Services Technical Information Agency |
| UAH | Ukrainian Hryvnia (ISO 4217 Currency Code) |
| RFE | Request For Enhancement |
| PCZ | Panama Canal Zone (ISO 3166 Trigram; Obsolete 1980) |
| TND | Tunisian Dinar (ISO 4217 Currency Code) |