радіоактивне ядро
headquarters nucleus
helium nucleus
nucleus (pl. nuclei)
condensation nucleus
freezing nucleus
ice nucleus
single-channel ground and airborne radio system (SINCGARS) radio
radio pouch, PRR pouch / personal role radio pouch
radio rucksack, radio carrier rucksack
radio-radar; radio/radar
active camouflage
active combat area
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
advanced active homing technique
entry on active duty
semi-active homing guidance system
semi-active laser (homing) (SAL/H)