zone system of fire

no-fire zone / no fire zone

fire extinguishing system sprinkler system and fire alarm system

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

free fire zone

zone of effective fire

call for fire zone (CFFZ)

rolling / creeping barrage (fire zone)

zone of fire

zone fire

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

air defense zone

air defense zone commander

air exclusion zone

area of separation (=buffer zone)

assault dropping zone

buffer zone / area of separation

cold zone (CBRN)

combat zone

communications zone (COMMZ)

contact zone

contaminated zone

contamination zone

defense zone

demilitarized zone (DMZ)

detection zone