| Acronym | Meaning |
| UNFCCC | United Nations Framework Convention On Climate Change |
| DASD | (U.S.) Deputy Assistant Secretary Of Defense |
| FTC | Federal Trade Commission |
| AMRDEC | U.S. Aviation & Missile Research |
| TJK | Tajikistan (ISO 3166 Trigram) |
| PS | Petasecond |
| BEM | British Empire Medal - Bug-Eyed Monster |
| DSP | Defense Standardization Program - Defense Support Program - Digital Signal Processing |
| PPCLI | Princess Patricia's Canadian Light Infantry (regiment) |
| API | Application Programming Interface |