bn:00019431n
Noun Concept
Categories: Intelligence operations by type, Clandestine operations
EN
clandestine operation  clandestine mission  clandestine missions  Clandestine op  clandestine operations
EN
An intelligence operation so planned and executed as to insure concealment WordNet 3.0
Definitions
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EN
A clandestine operation is an intelligence or military operation carried out in such a way that the operation goes unnoticed by the general population or specific enemy forces. Wikipedia
A secret intelligence or military activity Wikipedia Disambiguation
An intelligence or military operation carried out so that the operation goes unnoticed Wikipedia Disambiguation