кругова оборона
all for one and one for all / one for all and all for one
all-around security
all-around field of fire
all-around field-of-fire emplacement
all-around efficiency
all-around vision
all-around fire trench
all-wheel drive / all wheel drive
perimeter
perimeter camp
perimeter formation
perimeter position
perimeter unit
perimeter weapon
bevel half-perimeter
radar range perimeter
night time perimeter assignment
security perimeter
defensive perimeter post (DPP)
go around the flank
knife-edge around
around-the-clock fire support
drive around
frame around opening
turn-around inspection
walk-around inspection
turbulent flow around a body
turn-around maintenance
turn-around servicing
flow around a body
go-around (GA)
no-go-around situation