сильнозахищена підземна ціль / високозахищена заглиблена ціль
deeply broken ground
deeply intended primer
deeply engaged
buried and hardened cable communications system
hard target
hard to hit target
Hard-Target Smart Fuse (HTSF)
hard-to-see target
buried
buried abutment
buried burst
buried chemical weapon material
buried conduit wire circuit
buried construction
buried installation detection by surface heat contrast
buried line intrusion sensor
buried mine
buried mine mine-hunting system
buried minefield
buried mines classification
buried object scanning sonar
buried trench concept
buried wire
mines buried flush
buried land mine
buried-focus effect
buried storage
target scattering crossover / target scattering cross-section / electronic target profile
observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)
hard
hard base
hard core