| Acronym | Meaning |
 | RBOC | Regional Bell Operating Company (Baby Bell) |
| HEO | Highly Elliptical Orbit |
| A&S | Armament & Standardisation |
| OOP | Object-Oriented Programming - Out Of Print |
| MSSA | Methicillin-susceptible Staphylococcus Aureus |
| ABSA | Amalgamated Banks Of South Africa (ab-sa) |
| TBC | To Be Confirmed |
| CPSU | Communist Party Of The Soviet Union |
| CHAMPUS | (U.S.) Civilian Health And Medical Program Of The Uniformed Services |
| FRA | Federal Railroad Administration -France (ISO 3166 Trigram) |
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