| Acronym | Meaning |
 | SDH | Synchronous Digital Hierarchy |
| ER | Erbium |
| CVR | Cockpit Voice Recorder - Combat Vehicle Reconnaissance |
| EA | Electronic Attack - Engagement Area - Electronic Arts - Environmental Assessment -Exaampere |
| PASR | Personnel Accounting And Strength Reporting |
| USR | Universal System Resources (/usr |
| BVT | Bouvet Island (ISO 3166 Trigram) |
| OBX | Outer Banks (North Carolina) |
| WPK | Wider Peacekeeping |
| FILO | First In |
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