main zone of defense

main defense area (line) / main defensive position

main defense zone (defence)

main tank/ main fuel tank

main gear box / main rotor transmission

main rotor transmission / main gear box

main-rotor head / main-rotor hub

main-rotor hub / main-rotor head

main fighting area / zone

main zone (of resistance)

main fшпрештп zone

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)

main defense forces

main line of defense (resistance)

outline the main line of defense (of the enemy)

main defense (line) area

air defense zone

air defense zone commander

defense zone

zone of defense

Air Defense Identification Zone (ADIZ)

base defense zone (BDZ)

perimeter defense (all-around defense)

beach defense mine / beach-defense mine

direction of the main blow

main (fighting) force(s)