| Acronym | Meaning |
| NSW | New South Wales (postal Symbol) |
| J7 | Joint Operational Plans & Interoperability Directorate |
| RORO OR RO | Ro -Roll-On/Roll-Off (ferry) |
| XC | Ninety (in Roman Numerals) |
| LU | Lutetium |
| USEC | United States Enrichment Corporation |
| J1 | Joint [Manpower &] Personnel Directorate |
| CODEC | Coder-Decoder / Compressor-Decompressor / Compression-Decompression Algorithm |
| SQ | Sound Quality |
| MTR | Main And Tail Rotor (helicopter Type) - Military-Technological Revolution |