Vehicle Abbreviations and Acronyms
- OLEVOffice of Low Emissions Vehicles
- OLEVOn-Line Electric Vehicle
- OOSOut-Of-Servite
- OPROver-Pressure Relief
- OPSOccupant Protection Systems
- OPSOccupant Protective System
- OPSOccupant Protection System
- OPVOptionally Piloted Vehicles
- OROff-Road
- ORCWSOverhead Remote Controlled Weapon Stations
- OREXOrbital Re-Entry Experiment
- ORVOff-Road Vehicles
- ORVOff Road Vehicles
- ORVSOff-Road Vehicles
- ORVSOff Road Vehicles
- OSPOrbital Space Plane
- OSVOshkosh Specialtysvehicles
- OSVOver Snow Vehickes
- OTOver The Top
- OTVOrbital Transfer Vehiclet
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