| Acronym | Meaning |
 | AZ | Arizona (postal Symbol) - Azerbaijan (ISO 3166 Digram) |
| KOR | Republic Of Korea (ISO 3166 Trigram) |
| ASUW | AntiSUrface Warfare |
| ARF | ASEAN Regional Forum |
| FS | Femtosecond |
| AFL | American Federation Of Labor - American Football League - Arena Football League - Australian Football League |
| FST | Finance Support Team - Finlands Svenska Television (Finland's Swedish-language Television) - Future Soviet Tank (Cold War Era) |
| BA | Bashkir Language (ISO 639-1 Code) |
| XBA | European Composite Unit (EURCO; Bonds Market Unit) (ISO 4217 Currency Code) |
| MJD | Modified Julian Day |
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