район бойових дій; активна ділянка фронту
active combat area
area of war/war area
potential danger area (trouble area)
hazard area / hazardous area
killing area / kill area
open area danger area
active camouflage
active component
active component headquarters
active counterintelligence measures
active countermeasures
active deception measures
active decontamination
active defenses
active denial system
active infrared (IR) guidance system
active layered theatre (ballistic) missile defense (ALTBMD)
active material; fissile material
active military service
active missile defence
active public information policy
active radar homing (ARH)
active service/ duty
active track
advanced active homing technique
entry on active duty
semi-active homing guidance system
semi-active laser (homing) (SAL/H)
separate from active service / the service
strategic active stockpile
active electronics scanned array (AESA)
active nutation damping