| Acronym | Meaning |
 | DBA | De Bellis Antiquitatis (miniature Wargaming Rules) |
| AFAICT | As Far As I Can Tell |
| OH | Ohio (postal Symbol) |
| NQ | Dronning Maud Land (ISO 3166 Digram; Obsolete 1983) |
| OPSEC | Operations Security - Open Platform For Security |
| PY | Paraguay (ISO 3166 Digram) - Person-Year -Portsmouth Yardstick |
| 4D | Four-dimensional (usually Three Spatial Plus One Temporal Dimension |
| KAF | Kandahar Air Field |
| HTI | Haiti (ISO 3166 Trigram) |
| BARD | Binational Agricultural Research And Development Fund (between The US And Israel) |
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