| Acronym | Meaning |
 | MWOA | Mount Wilson Observatory Association |
| LSO | Lesotho (ISO 3166 Trigram) |
| STD | S?o Tom? And Prncipe Dobra (ISO 4217 Currency Code) -Sexually Transmitted Disease |
| SICS | Swedish Institute Of Computer Science |
| JWP | Joint Warfare Publication |
| C2V OR C?V | Command And Control Vehicle |
| CISB | Complete In Sealed Box (Internet Auction/trading Listings) |
| NN | Norwegian Nynorsk Language (ISO 639-1 Code) |
| ECL | Emitter Coupled Logic (electronics) |
| J3 | Joint Operations Directorate |
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