| Acronym | Meaning |
 | IRS | U.S. Internal Revenue Service |
| WK | Wake Island (ISO 3166 Digram |
| SAGAT | Situation Awareness Global Assessment Technique |
| DST | Daylight Saving Time |
| EKMS | Electronic Key Management System |
| DIR | Defence Industrial Research |
| KFUPM | King Fahd University Of Petroleum & Minerals |
| IDF | Israel Defence Forces - Intel Development Forum - International Dairy Federation |
| QSTAG | Quadripartite Standardization Agreement (cue-stag) |
| CSA | Canadian Space Agency - Canadian Standards Association - Child Support Agency - Command Staff Advisor - Community-supported Agriculture - Confederate States Of America - Corps Storage Area -Czech Airlines |
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