глибокі знання зі спеціальних питань (про розвідку / термін спецслужб)
areas of expertise
provision of military expertise
technical expertise
air interdiction (AI), deep air support (DAS)
deep battle
deep fires
deep objective
deep penetration
deep snow operations
deep supporting fire
deep target
deep wading (fording)
deep water
deep-cover agent
deep-water fording kits
in deep rear
very deep draught ship
deep airborne envelopment
deep area
deep articulation
deep defilade
deep echelonment
deep exploitation
deep flank
deep interdiction target
deep-cavity projectile
deep-diving submersible
deep-support fire
deep cover agent
deep cover of indefinite durability
deep envelopment
deep intelligence experience