| Acronym | Meaning |
 | FIB | Fucking Illinois Bastard (Wisconsin Slang |
| CHN | China (ISO 3166 Trigram) |
| FCA | Fraction Of Combat Active Forces |
| OCO | Oort Cloud Object |
| ABA | American Bar Association - American Basketball Association - American Beverage Association - American Bicycle Association - American Birding Association - Australian Broadcasting Authority |
| NESP | NSA/CSS Enterprise Standards Program |
| HW | Hardware -High Water (nautical Charts) |
| AG | Silver (Latin Argentum) |
| NOB | Norwegian Bokm?l Language (ISO 639-2 Code) |
| CCH | Computer-Controlled Hostile |
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