| Acronym | Meaning |
 | RHIC | Relativistic Heavy Ion Collider |
| WWV | Wagner-Werk-Verzeichnis (catalog Of The Works Of Richard Wagner |
| PIR | Priority Intelligence Requirement |
| WYSIWYG | What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms) |
| AO | Angola (FIPS 10-4 Country Code; ISO 3166 Digram) -Approach Officer (submarine) - Area Of Operations |
| KR | Kanuri Language (ISO 639-1 Code) |
| A2C2 OR A?C? | Army Airspace Command And Control |
| HAZ | Heat-Affected Zone |
| JITC | Joint Interoperability Test Command |
| C4ISR OR C?ISR | Command |
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