| Acronym | Meaning |
 | GRN | Guaran Language (ISO 639-2 Code) |
| DPMO | (U.S.) Defense Prisoner Of War/Missing Personnel Office |
| MEMS | Microelectromechanical System |
| ASTIA | Armed Services Technical Information Agency |
| AUD | Australian Dollar (ISO 4217 Currency Code) |
| GMT | Giant Magellan Telescope - Greenwich Mean Time |
| JRA | Japanese Red Army - Joint Rear Area |
| TACP | Tactical Air Control Party - Technology Applications Certification Program |
| WFD | Weaponof Focused Destruction |
| ATB | Active Time Battle -British Antarctic Territory (ISO 3166 Trigram; Merged With AQ In 1979) |
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