English abbreviations from rnw to roar
- RNW (Resolutions NorthWest)
- RNX (Richard Nakka Experimental Rocket Propellant)
- RNX-62 (Epoxy Composite Propellant)
- RNY (Runway)
- RNZ (Radio New Zealand)
- RNZAF (Royal New Zealand Air Force)
- RNZI (Radio New Zealand International)
- RNZN (Royal New Zealand Navy)
- RO (Royal Ordnance)
- RO/RO (Roll On/ Roll Off)
- ROA (Rate Of Ascent)
- ROAD (Retired On Active-Duty)
- ROAMS (Replacement Operations Automated Management System)
- ROAR (Residents Organizing Activities For Residents)