Governmental & Military Abbreviations and Acronyms
- RONRond?nia
- RONResearch Octane Number
- ROOResearch On Optics
- ROOMRip Once Output Many
- ROPRate of Penetration
- ROPRoyal Oman Police
- ROPDRoyal Oak Police Department
- ROPEReunion of Professional Entertainers
- ROPERepeat Offender Parole Enforcement
- ROPMERegional Organization for The Protection of The Marine Environment
- ROPOSRemotely Operated Platform for Ocean Science
- ROPSRoll Over Protection Standard
- ROPSRoll Over Protection System (tractors)
- ROPSRoll Over Protective Structure
- ROQRoyalty Override Qualified
- RORRelease On Own Recognizance
- RORRules of The Road
- RORRange Only Radar
- RORResidual Oil Remover
- RORReservation of Rights
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