глибоко законспірований (таємний) агент
deep cover agent
deep cover of indefinite durability
deep-cover
deep-cover operation
under deep cover
agent / agent network / agents
CW agent (chemical warfare agent)
obscurant agent (vision-restricting agent)
damage agent / damaging agent
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-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