| Acronym | Meaning |
 | IMLAST | International Movement For Leisure Activities In Science And Technology - See MILSET |
| IRN | Iran (ISO 3166 Trigram) |
| UFC | Ultimate Fighting Championship |
| NEX | Navy EXchange |
| POD | Plain Old Documentation |
| LPI | Low Probability Of Intercept |
| RUC | Royal Ulster Constabulary |
| SED | CERDEC Software Engineering Directorate |
| DDN | U.S. Defense Data Network |
| INMARSAT | International Maritime Satellite Organization |
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