транскордонна загроза
trans-border cooperation
transport helicopter (trans hel)
transportation (trans)
transportation group (trans gp)
trans-attack reconnaissance
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
state border
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
airborne threat
asymmetric threat
atomic threat
bomb threat
constitute a threat