| Acronym | Meaning |
| MMCS | Machinist's Mate |
| PPA | Parahippocampal Place Area - PolyPhthalAmide |
| RG | Republican Guard |
| AL | Alabama (postal Symbol) - Albania (FIPS 10-4 Country Code; ISO 3166 Digram) -Anno Lucis (Latin |
| HUN | Hungary (ISO 3166 Trigram) |
| MGA | Malagasy Ariary (ISO 4217 Currency Code) |
| DAQ | Data Acquisition -Delivered Audio Quality |
| AFO | Association Of Field Ornithologists |
| FWI | French West Indies |
| OM | Oman (ISO 3166 Digram) |