| Acronym | Meaning |
 | SEN | Senegal (ISO 3166 Trigram) -Small Extension Node |
| WLOG | Without Loss Of Generality (see WOLOG) |
| LDA | Lateral Drift Apparatus (paratroops) |
| COP | Colombian Peso (ISO 4217 Currency Code) -Common Operating/Operational Picture |
| GA | Irish Language (ISO 639-1 Code) |
| AADAC | Alberta Alcohol And Drug Abuse Commission |
| WA | Namibia (FIPS 10-4 Country Code; From West Africa) - Washington State (postal Symbol) - Western Australia (postal Symbol) |
| CQD | Close Quarters Drill (Morse Distress Code Preceding SOS: CQ Calling All Stations |
| NYO | National Youth Orchestra Of Great Britain |
| 4G | Fourth-generation Mobile Telephone System |
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