C
confidential
C2
command and control (USA)
CANSOC
Canadian Sigint Operations Center
CAT
Civil Air Transport (CIA)
CCIR
Critical information requirement (USA)
CCL
Commerce Control List (USA)
CE
counterespionage (USA)
CED
captured enemy document (USA)
CEE
captured enemy equipment (USA)
CEFAR
italienischer Auslandsnachrichtendienst
CEM
captured enemy materiel (USA)
CFI
Committee on Foreign Intelligence
CFI
Committee on Foreign Intelligence (USA)
CFSO
counterintelligence force protection source operations (USA)
CIA
CIA
Central Intelligence Agency
Central Intelligence Agency, from 1947
CIAC
counterintelligence analysis cell (USA)
CIC
Counter Intelligence Corps (1939- 1961, USA)
CIC
Counterintelligence Corps
CICA
Counterintelligence Coordinating Authority (USA)
CIDG
Civilian Irregular Defence Group (USA)
CIG
Central Intelligence Group (USA)
CIG
Central Intelligence Group, 1946-47
CIP
U.S. Army`s Corps of Intelligence Police (WK I bis ?, USA)
CIPA
Classified Information Procedures Act
CM
Counterman
CMI
Classified Military Information (USA)
COCOM
Coordinating Committee
COI
Coordinator of Information
COMINT
Communications Intelligence, Fernmeldeaufklärung
COMPINT
Competitive Intelligence
COMSAT
Kommunikationssatellit (zivil oder militärisch)
COMSEC
communications security (USA)
CP
Collection Processing (NSA)
(1585/ND/0001)
CRD
Confidential Restricted Data (USA)
CSE
Communikations Security Establishment, Candadian SIGINT agency
CSG
Cryptologic Service Group (NSA)
CSIS
Canadian Security and Intelligence Serivce. Kanadischer Nachrichtendienst.
CSS
Central Security Service, militärischer Arm der NSA
CT
Counterterrorism (USA)
CTSA
COSMIC TOP SECRET ATOMAL (NATO)
CUI
Controlled Unclassified Information (USA)