| Acronym | Meaning |
 | PARP | (NATO Partnership For Peace) Planning And Review Process |
| UGV | Unmanned Ground Vehicle |
| D&D | Dungeons And Dragons - Diversion And Distress (Air Traffic Control) |
| NS | Nanosecond |
| BGN | U.S. Board On Geographic Names -Bulgarian Lev (ISO 4217 Currency Code) |
| HCCI | Homogeneous Charge Compression Ignition |
| FSF | Free Software Foundation |
| PPQN | Pulses Per Quarter Note (ditto) |
| SOP | Standing/Standard Operating Procedure |
| MAA | Mathematical Association Of America |
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