combat zone

зона бойових дій (напр. від лінії фронту до зони комунікацій) (they were ordered to drop for fifty push-ups, a ritual greeting upon entering a combat zone. - Bowden, Mark. Black Hawk Down - p. 38)

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)

combat-loaded weight / combat loaded weight

combat trouser belt, combat belt

air combat / air-combat

Future Combat Air System (FCAS) / (фр.) Système de combat aérien futur (SCAF)

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)

communications zone (COMMZ)

contaminated zone

contamination zone

demilitarized zone (DMZ)

engagement zone

fighter engagement zone (FEZ)