| Acronym | Meaning |
 | 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 |
| ATC | Air Traffic Control - Air Training Corps - U.S. Air Transport Command (1942-1948) |
| IHS | Institut Des Hautes ?tudes Scientifiques (French |
| ASWORG | (U.S.) AntiSubmarine Warfare Operations Research Group |
| HRK | [[Croatian Kuna (ISO 4217 Currency Code) |
| CDT | Central Daylight Saving Time (UTC-5 Hours) |
| CF | Californium |
| HAZMAT | Hazardous Materials |
| ARDA | Advanced Research And Development Activity (became DTO 2006) |
| SDR | Strategic Defence Review |
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