| Acronym | Meaning |
| TIA | Total Information Awareness Initiative |
| PT | Picotesla |
| KLM | Koninklijke Luchtvaart Maatschappij (Dutch Royal Dutch Airlines) |
| AFSCN | U.S. Air Force Satellite Control Network |
| AEW | Airborne Early Warning - Airborne Electronic Warfare |
| PL | Picolitre |
| WRBWWRM | We Read Best What We Read Most |
| AN | Aragonese Language (ISO 639-1 Code) |
| DPDT | Double-Pole Double-Throw |
| NI | Nickel |