| 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 |