| Acronym | Meaning |
 | PCI | U.S. Pacific Islands Trust Territory (ISO 3166 Trigram; Obsolete 1986) -Peripheral Component Interconnect (computer Bus) |
| MIDI | Musical Instrument Digital Interface |
| DSID | Dismounted Soldier Identification System |
| TARDIS | Time And Relative Dimensions In Space (from Doctor Who) |
| EDS | Electronic Data Systems - Electronic Differential System |
| ENG | English Language (ISO 639-2 Code) |
| FSK | Federal'naya Sluzhba Kontrrazvedki (???????????? ??????? ?????????????? |
| WWW | World Wide Web |
| PACOM | (U.S.) Pacific Command |
| MST3K OR MST3K | Mystery Science Theater 3000 |
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