| Acronym | Meaning |
 | NWFZ | Nuclear-Weapon-Free Zone |
| USGS | United States Geological Survey |
| AAPC | Accounting And Auditing Policy Committee |
| ABMC | American Battle Monuments Commission |
| L | Fifty (in Roman Numerals) -Label - Lap - Large - Laser (US Military Aircraft Basic Mission Designation) - Latin - Left -Litre -Low (transmissions) |
| HUN | Hungary (ISO 3166 Trigram) |
| PSC | Primary Somatosensory Cortex |
| PIG | Pipeline Inspection Gauge |
| MERL | Mitsubishi Electric Research Laboratories |
| HOSTAC | Helicopter Operations From Ships Other Than Aircraft Carriers |
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