communications and intelligence system

Battle Management, Command, Control, Communications and Intelligence (BMC3I)

command, control, communications, computers, and intelligence (C4I)

forward area air defense command, control, communications and intelligence (FAAD C3I)

buried and hardened cable communications system

Target, Trigger, Location, Observer, Delivery system, Attack guidance, and Communications (TTLODAC)

command, control, communications, intelligence (C3I)

communications intelligence (COMINT) (a subset of SIGINT)

C3I command, control, communications & Intelligence

fire extinguishing system sprinkler system and fire alarm system

attitude-and-heading reference system / attitude and heading reference system (AHRS)

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

reconnaissance electronic warfare, special operations and naval intelligence processing system

total reconnaissance/intelligence system evaluation and comparison technique

combat functions (warfighting functions WFF) - Command and Control; Intelligence; Fires; Movement and Maneuver; Protection; Sustainment

warfighting functions (WFF - command and control; intelligence; fires; movement and maneuver; protection; sustainment)

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

area communications system

command communications system

communications system

division communications system

NATO Integrated Communications System

satellite-based communications system (SATCOM)

tactical communications system

bell-ringer communications system

air traffic control communications system

fleet satellite communications system

data communications management system

satellite communications system (SATCOM)

aerial communications system