нелінійні загородження
breaching of obstacles
negotiation of obstacles
timber obstacles
artificial beach obstacles
artificial underwater and beach obstacles
Modified Combined Obstacles Overlay (MCOO)
observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)
flanking obstacles
zone of obstacles
installation of obstacles
granite post obstacles
maintain obstacles
reduce obstacles
obstacles in depth
passage of obstacles
altitude-staggered antimissile defense
double staggered column
staggered
staggered box magazine
staggered deck balk
staggered defense
staggered formation
staggered magazine
staggered magazine changing
staggered operations schedule
staggered pattern
staggered position
staggered start
staggered times messing
staggered tube layout
staggered file
staggered PRF (pulse repetition frequency)