| Acronym | Meaning |
 | MBCC | Migratory Bird Conservation Commission (U.S.) |
| ATN | Dronning Maud Land (ISO 3166 Trigram; Merged With AQ In 1983) |
| IND | Indonesian Language (ISO 639-2 Code) |
| PT | Portuguese Language (ISO 639-1 Code) |
| ASD(C3I) | (U.S.) (Command |
| GRN | Guaran Language (ISO 639-2 Code) |
| PRY | Paraguay (ISO 3166 Trigram) |
| IQD | Iraqi Dinar (ISO 4217 Currency Code) |
| JSIMS | Joint Simulation System |
| SLORC | State Law And Order Restoration Council (of Burma) |
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