| Acronym | Meaning |
| MPEC | Minor Planet Electronic Circular |
| NOAF | Norwegian Air Force |
| TUN | Tunisia (ISO 3166 Trigram) |
| IND | Indonesian Language (ISO 639-2 Code) |
| MT | Maltese Language (ISO 639-1 Code) |
| YI | Serbia And Montenegro (deprecated FIPS 10-4 Country Code |
| PASA | PolyAmide |
| OK | Oklahoma (postal Symbol) -oll Korrect (facetious Alteration Of All Correct |
| AID | U.S. Agency For International Development |
| CTIS | Central Tire-Inflation System |