державний кордон
violation of the state border
end-state (end state)
border (security) forces /troops
border
border break (cart.)
border command
border control
border crossing arrangement
border crossing point (BCP) / station
border disputes
border management
border monitoring
border security
trans-border cooperation
trans-border threat
US Border Patrol
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
coastal state
delegation (of NATO member state at NATO HQ)
Department of State
dormant state
failed state
failing state
flag state
high sea state