раптовий, несподіваний напад
blue on blue / blue-on-blue
Blue UAS Cleared List / Blue List
top-attack (top attack; top-down attack )
blue commander
blue forces
blue helmets (UN)
blue discharge
Blue Force tracking
blue print
red, green, blue (RGB)
blue-water
RGB color model (red, green, blue)
light blue
drone swarm attack / drone swarming attack
bolt assembly
bolt carrier
bolt catch
bolt latch
bolt recess
bolt-action
drop bolt
explosive bolt (pyrotechnic fastener)
face of the bolt
bolt action repeater
axle-tree retaining bolt locking pin
bolt handle spring retaining pin
open bolt
bolt carrier assembly
bolt carrier key
bolt carrier stopper
carrier hinge bolt
key bolt