| Acronym | Meaning |
| IAI | International African Institute - Israel Aircraft Industries |
| DJ | Disc Jockey - Dinner Jacket -Djibouti (ISO 3166 Digram; FIPS 10-4 Country Code) |
| WU | Wabash University - Washington University In St. Louis - Western Union - Windows Update - Work Unit - WU Wien (German Wirtschaftsuniversit?t Wien |
| HBT | Heterojunction Bipolar Transistor |
| NSG | National System For Geospatial-Intelligence |
| TK | Terakelvin - Tokelau (ISO 3166 Digram) |
| RADC | Region Air Defence Commander |
| PLI | Position Location Information - Private Lands Initiative - Professional Liability Insurance |
| SCAP | Supreme Commander Allied Powers (Allied Occupation Of Japan) |
| BOFH | Bastard Operator From Hell |