| Acronym | Meaning |
 | WU | Wabash University - Washington University In St. Louis - Western Union - Windows Update - Work Unit - WU Wien (German Wirtschaftsuniversit?t Wien |
| JV | Joint Venture - Junior Varsity |
| SOWHAT | RESNA Subcommittee On Wheelchairs And Transportation |
| CAV | Cavalry |
| FAVS | Future Armoured Vehicle System |
| SI | Slovenia (ISO 3166 And FIPS 10-4 Country Code Digram) -Socialist International - Sports Illustrated - Syst?me International (French |
| SAVAK | Sazamane Etelaat Va Amniate Kechvar (Iranian Security And Intelligence Service) |
| ATB | Active Time Battle -British Antarctic Territory (ISO 3166 Trigram; Merged With AQ In 1979) |
| JDEM | Joint Dark Energy Mission |
| UK | United Kingdom (alsoFIPS 10-4 Country Code) - University Of Kentucky |
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