смуга загороджень (ешелонованих у глибину)
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)
staggered obstacles
flanking obstacles
zone of obstacles
installation of obstacles
granite post obstacles
maintain obstacles
reduce obstacles
passage of obstacles
defense in depth
depth bomb / charge
depth contour
depth curve
depth of battlefield (battlespace)
depth of formation
depth of penetration
depth of the service area
depth sounder
diving depth
echo depth finder
lateral and in-depth dispersion
march depth
position defense (in depth)
shallow depth
wargaming methods / techniques (belt, avenue in depth, box, belt-in-time)
specified depth