| Acronym | Meaning |
 | NEI | National Eye Institute - Not Enough Information - Nuclear Energy Institute |
| IFR | Instrument Flight Rules |
| NSO | National Standardization Office (ABCA) |
| FIBUA | Fighting In Built-Up Areas |
| PLC | Public Limited Company (British) |
| KAU | Kanuri Language (ISO 639-2 Code) |
| LX | Luxembourg (amateur Radio ITU Prefix) - Swiss International Airlines (IATA Code) |
| FFR | Fédération Française De Rugby (French Rugby Federation) |
| EDT | Eastern Daylight Saving Time (UTC-4 Hours) |
| NAVNET | Navy Network |
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