| Acronym | Meaning |
 | 3I | Investors In Industry (venture Capitalists) |
| CENTO | Central Treaty Organization (Baghdad Pact) |
| OPP | Ontario Provincial Police - Operational Planning Process - Other People's Privates |
| ISL | Iceland (ISO 3166 Trigram) |
| CEO | Chief Executive Officer |
| SAT | Formerly Scholastic Aptitude Test And Scholastic Assessment Test; Now Known Solely By The Initials - Small Arms Trainer |
| PX | Post EXchange |
| IAAF | International Association Of Athletics Federations (International Amateur Athletics Federation From 1912-2001) |
| DAU | (U.S.) Defense Acquisition University |
| ABK | Abkhaz Language (ISO 639-2 Code) |
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