clandestine border crossing

border crossing arrangement

border crossing point (BCP) / station

level-crossing = (амер.) grade crossing

clandestine

clandestine operation; covert operation

clandestine operation

clandestine organization

experience with clandestine work

keeper of a clandestine address

give clandestine assistance

clandestine agencies

clandestine agent

clandestine assembly area

clandestine force

clandestine operations

clandestine passive resistance

clandestine patrol base

clandestine reconnaissance

clandestine warfare

Defense Clandestine Service (DCS)

border (security) forces /troops

border

border break (cart.)

border command

border control

border disputes

border management

border monitoring

border security

state border

trans-border cooperation

trans-border threat