| Acronym | Meaning |
| SECDEF | (U.S.) Secretary Of Defense |
| WCW | World Championship Wrestling |
| AESR | Aeronautical Equipment Service Record |
| SW | South-West - Sweden (FIPS 10-4 Country Code) |
| VIR | U.S. Virgin Islands (ISO 3166 Trigram) - Virgin Atlantic Airways (ICAO Code) |
| LPG | Liquefied Petroleum Gas (cf. LNG) |
| SIMAC | Semantic Interaction With Music Audio Contents |
| CO | Many |
| SDC | Shaft Driven Compressor - U.S. Army Strategic Defense Command (1985?1992) |
| GU | Guam (postal Symbol; ISO 3166 Digram) |