негласна операція з надання впливу (про розвідку / термін спецслужб)
clandestine operation; covert operation
covert operation
influence operation
covert
covert action
covert activities
covert amphibious entry
covert attack
covert delivery
covert forces
covert intelligence
covert propaganda
covert warfare
covert way
carry out covert action
covert activity
covert intelligence officer identities
covert intelligence work
covert ops
information from covert sources
influence field
influence mine
influence release sinker
influence sweep
ship influence
within range of enemy influence
influence operations
influence the course of combat
spheres of influence
significant impact / influence
achieve decisive influence through force of arms
identify, separate, influence, and renunciation (ISIR)