| Acronym | Meaning |
 | IMPACT | International Medical Products Anti-Counterfeiting Taskforce |
| WYSIWYG | What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms) |
| CAA | Canadian Automobile Association - (NORAD) Center For Aerospace Analysis - (U.S.) Center For Army Analysis - (U.S.) Clean Air Act - (U.S. Army) Concepts Analysis Agency - Civil Aviation Authority - Colonial Athletic Association |
| HRH | His (or Her) Royal Highness |
| BRN | Brunei (ISO 3166 Trigram) |
| ABSTRIPS | Abstraction-Based STRIPS |
| FRA | Federal Railroad Administration -France (ISO 3166 Trigram) |
| IOT | British Indian Ocean Territory (ISO 3166 Trigram) |
| EU | Europa Island (FIPS 10-4 Country Code) -European Union |
| HUD | Head-Up Display - Housing And Urban Development |
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