| Acronym | Meaning |
 | APFSDS | Armour-Piercing |
| PF | Picofarad |
| VPN | Virtual Private Network |
| GTG | Got To Go (Internet Chat) |
| HAWK | Homing All The Way Killer (air Defence System) |
| NGA | National Geospatial-Intelligence Agency -Nigeria (ISO 3166 Trigram) |
| TY | Tahitian Language (ISO 639-1 Code) |
| HORIZON | H?licopt?re D'observation Radar Et D'investigation Sur Zone (French |
| NICAP | National Investigations Committee On Aerial Phenomena |
| DSR | Deformed Special Relativity |
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