| Acronym | Meaning |
| PPCLI | Princess Patricia's Canadian Light Infantry (regiment) |
| IFR | Instrument Flight Rules |
| USPS | United States Postal Service |
| RUSI | Royal United Services Institute For Defence Studies |
| CODEC | Coder-Decoder / Compressor-Decompressor / Compression-Decompression Algorithm |
| HLVW | Heavy Logistics Vehicle |
| GA | Gallium - Gigaannum |
| FSTC | Foreign Science Technology Center (now NGIC) |
| GUILT | Gangliated Utrophin Immuno Latency Toxin |
| NEX | Navy EXchange |