| Acronym | Meaning |
 | ROH | Ring Of Honor |
| AVDLR | Aviation Depot Level Repair |
| DSG | (i) Direct-Shift Gearbox |
| OPP | Ontario Provincial Police - Operational Planning Process - Other People's Privates |
| ADS | Active Denial System - Astrophysics Data System - Attention Deficit Syndrome |
| CTSS | Compatible Time-Sharing System |
| CFR | Code Of Federal Regulations |
| ZAMS | Zero Age Main Sequence |
| RAP | Radio Access Point - Radiological Assistance Program (U.S. Department Of Energy) - Rear Area Protection - Recognised [Operating/Operational] Air Picture - Recurring Advance Payment - Relational Associative Processor - Reliable Acoustic Path - Rocket-Assis |
| HT | Haiti (ISO 3166 Digram) -High Temperature - Hoc Tempore (Latin |
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