прихована (агентурна) розвідка
covert intelligence officer identities
covert intelligence work
clandestine operation; covert operation
covert
covert action
covert activities
covert amphibious entry
covert attack
covert delivery
covert forces
covert propaganda
covert warfare
covert way
carry out covert action
covert activity
covert influence operation
covert ops
information from covert sources
covert action activities
covert action operation
covert operation
Secret Intelligence Service (SIS) / Military Intelligence, Section 6 (MI6)
tactical intelligence / combat intelligence
undeclared member of the intelligence or counter-intelligence agencies
Defence intelligence of Ukraine (DIU) / Main Directorate of Intelligence of the MoD of Ukraine
accurate intelligence
acoustic intelligence
actionable intelligence
all-source intelligence
ANNEX Intelligence
antiaircraft artillery intelligence service
area of intelligence interest (AII)