| Acronym | Meaning |
 | I2WD OR I?WD | U.S. Intelligence And Information Warfare Directorate (CERDEC) |
| PUG | PET Users Group |
| SIDS | Sudden Instant Death Syndrome |
| PR | Public Relations -Puerto Rico (postal Symbol; ISO 3166 Digram) |
| SUN | Sundanese Language (ISO 639-2 Code) |
| UFC | Ultimate Fighting Championship |
| SWAPO | South-West Africa People's Organisation |
| UML | Unified Marxist-Leninist Communist Party Of Nepal - Unified Modeling Language - University Of Massachusetts Lowell - User-Mode Linux |
| SWG | Surface Warfare Group - Symbology Working Group |
| ZT | Zettatesla |
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