| Acronym | Meaning |
 | RO | Range Only - Red Orchestra -Romania (ISO 3166 And FIPS 10-4 Country Code Digram) |
| IB | International Baccalaureate |
| GHA | Ghana (ISO 3166 Trigram) |
| ADAP | AIDS Drug Assistance Program |
| SMD | Surface Mount Device |
| BGN | U.S. Board On Geographic Names -Bulgarian Lev (ISO 4217 Currency Code) |
| ESA | Electro-Spark Alloying - Endangered Species Act - European Space Agency |
| OLED | Organic Light-Emitting Diode |
| OCA | Observatoire De La C?te D'Azur - Offensive Counter-Air |
| MLRS | Multiple-Launch Rocket System |
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