прикордонний контроль
border (security) forces /troops
border
border break (cart.)
border command
border crossing arrangement
border crossing point (BCP) / station
border disputes
border management
border monitoring
border security
state border
trans-border cooperation
trans-border threat
US Border Patrol
violation of the state border
border and offshore submersible sentry
cetane number in border line
clandestine border crossing
border flight clearance
cross-border incursion
cross-border raid
border patrol drone
border fence
gun control equipment / gun-control equipment (GCE)
individual control (of fire) / individual fire control
anti-torque control pedal / directional control pedal
directional control pedal / anti-torque control pedal
control surface / control-surface
roll-control / roll control
time-gain control / gain time control
fire-control director / fire control director
aileron control rod (from control wheel)