| Acronym | Meaning |
 | TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |
| COG | Centre Of Gravity - Current Operations Group (military) -Republic Of The Congo (ISO 3166 Trigram) |
| JSP | JavaServer Page |
| NZC | New Zealand Cricket |
| TIMS | Tactical Internet Management System - The Institute Of Management Sciences - The International Molinological Society - Thermal Infrared Multispectral Scanner - Thermal Ionization Mass Spectrometry - Travel Information Management Services - Tuberculosis In |
| IED | Improvised Explosive Device |
| K9 | Canine Police Unit |
| SEU | Single Event Upset (solid State Physics) - Slightly Enriched Uranium - Special Evidence Unit |
| OS | Ossetic Language (ISO 639-1 Code) |
| BAM | Bambara Language (ISO 639-2 Code) |
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