| Acronym | Meaning |
 | EDT | Eastern Daylight Saving Time (UTC-4 Hours) |
| PDF | Panama[nian] Defense Forces (abolished 1990) - Portable Document Format - Principal Direction Of Fire |
| UNICEF | United Nations Children's Fund (originally The United Nations International Children's Emergency Fund) |
| COO | Chief Operating Officer |
| GMD | Gambian Dalasi (ISO 4217 Currency Code) |
| TFR | Total Fertility Rate |
| BMDO | (U.S.) Ballistic Missile Defense Organization (bim-do) |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) |
| BRS | Battlefield Reasoning System |
| GDP | General Dental Practitioner (UK) - Gross Domestic Product |
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