| Acronym | Meaning |
| ONI | (U.S.) Office Of Naval Intelligence |
| ARM | Anti-Radiation Missile -Armenia (ISO 3166 Trigram) |
| EGP | Egyptian Pound (ISO 4217 Currency Code) |
| AD | Air Defence -Andorra (ISO 3166 Digram) -Anno Domini (Latin |
| MV | Millivolt |
| IO | Ido Language (ISO 639-1 Code) |
| TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |
| ZR | Zaire (ISO 3166 Digram; Obsolete 1997) |
| IMHO | In My Humble Opinion |
| ST | Sotho Language (ISO 639-1 Code) |