| Acronym | Meaning |
 | LX | Luxembourg (amateur Radio ITU Prefix) - Swiss International Airlines (IATA Code) |
| LDS | Latter Day Saint - Liberal Democracy Of Slovenia |
| INAS | International Near-Earth Asteroid Survey |
| EHF | Extremely High Frequency |
| ICES | International Council For The Explorationof The Seas |
| SWA | Swahili Language (ISO 639-2 Code) |
| CWRU | Case Western Reserve University |
| LTC | Lieutenant-Colonel (U.S.) |
| RN | Royal Navy |
| SSA | Cargo Submarine (US Navy Hull Classification) |
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