прихований пасивний опір
island of resistance / pocket of resistance
resistance, to break (down) resistance
passive resistance
passive electronically scanned array (PESA) / passive phased array
clandestine
clandestine operation; covert operation
clandestine border crossing
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 patrol base
clandestine reconnaissance
clandestine warfare
air resistance
chemical resistance
countermeasure resistance
crush resistance
frictional resistance
main line of defense (resistance)
main zone (of resistance)
resistance forces
resistance movement
make / offer/ provide/ put up resistance
soften resistance
disrupt resistance