call for fire zone (CFFZ)

no-fire zone / no fire zone

call up (call-up)

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)

flight restriction zone / flight restricted zone (FRZ)

slant fire; diagonal fire; oblique fire; fire to the oblique

call for fire (CFF)

on-call fire

call for fire using `snail` grid reference

covering fire at call

call a halt down fire

call down fire

call fire

call for fire

call of fire

fire call

fire concentration call

fire on call

free fire zone

zone of effective fire

rolling / creeping barrage (fire zone)

zone system of fire

zone of fire

zone fire

fire control orders (FCO) ('Hold Fire', 'Cease Fire' and 'Engage')

selector lever, fire selector, fire switch, fire selector switch

cadence (call)

call sign (callsign)