| Acronym | Meaning |
 | PSO | Peace Support Operations - Primary Standardisation Office (ABCA) - Protocol Supporting Organization (of The ICANN) |
| YI | Serbia And Montenegro (deprecated FIPS 10-4 Country Code |
| ARCENT | United States Army Central Command |
| BOAT | Byway Open To All Traffic (pronounced As 2 Syllables |
| IPCC | Intergovernmental Panel On Climate Change |
| SME | Northern Sami Language (ISO 639-2 Code) |
| XV | Fifteen (in Roman Numerals) |
| IDA | U.S. Institute For Defense Analyses - International Development Association (part Of The World Bank |
| JE | Jersey (FIPS 10-4 Territory Code) |
| FCZ | Forward Combat Zone |
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