| Acronym | Meaning |
 | UPI | United Press International |
| KA | Knowledge Acquisition |
| PLL | Phase-Locked Loop (electronics) |
| FEBA | Forward Edge Of The Battle Area |
| OC | Observer/Controller |
| BLSA | Blowing Sand (METAR Code) |
| NFLD | Newfoundland |
| ARG | Aragonese Language (ISO 639-2 Code) |
| SGC | Server Gated Cryptography -Stargate Command |
| TUV | Tuvalu (ISO 3166 Trigram) |
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