roll - satu
- running away
- running condition
- running fire spring
- running hours
- running in
- running in oil
- running knot
- running light
- running maintenance
- running on single track
- running order
- running quality
- running rail
- running roller
- running test
- runout position
- runway
- runway alignment lights
- runway center line
- runway control van
- runway gradient
- runway identifiers and approach lighting
- runway lighting
- runway mine clearance
- runway overrun
- runway slope
- runway threshold
- runway visibility value
- runway visual range
- rupture of gun
- rupture zone
- ruptured cartridge extractor
- rupturing load
- rush
- rust
- rust film
- rust preventive compound
- s turn
- sabot
- sabot discard
