race - re-e
- race
- race in space arms
- race in space weapons
- race of armaments
- race-track procedure
- racetrack pattern
- racetrack template
- raceway
- raceway area
- racial oppression
- racing
- racing plane
- rack
- rack mount
- rack mounting
- rack wrench
- radar advisory service
- radar airborne weather system
- radar approach
- radar arrival route
- radar assistance
- radar astronomer
- radar beacon
- radar beam
- radar beam riding
- radar blip
- radar clutter
- radar complex
- radar control system
- radar control unit
- radar controller
- radar countermeasure
- radar countermeasures
- radar coverage
- radar data extractor
- radar departure route
- radar detection line
- radar detection range
- radar dish
- radar display
