radial zone barrage

rolling / creeping barrage (fire zone)

radial velocity

radial bearing

radial equilibrium flow

radial flow compressor

radial-flow turbine

radial sweep (of a radar display)

radial miss distance

radial probable error

grid zone / grid-zone

zone standard time (zone time) (ZST)

killing zone / kill zone

grid zone designation / Grid Zone Designator

grey-zone / grey zone (international relations)

hundred-per-cent zone (one-hundred-per-cent zone)

no-fire zone / no fire zone

flight restriction zone / flight restricted zone (FRZ)

barrage

barrage balloon

barrage fire

barrage of missiles

parallel barrage

umbrella barrage

creeping parallel barrage

fire barrage line

immovable parallel barrage

single barrage (of fire)

fire a barrage (on)

successive barrage / successive concentration

antitank barrage fire

barrage chart

barrage key line