communications and control systems maintenance

command, control, communications, computers, cyber-defense, combat systems (C6)

maintenance of avionics and radio systems

command, control and information systems (CCIS)

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

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

command and control communications

command, control, communications, and computers (C4)

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

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

fire control - battlefield information systems application

Industrial Control Systems Cyber Emergency Response Team

fire-control systems mechanic

contingency maintenance / special maintenance

maintenance checks / routine maintenance, scheduled tasks

maintenance idling (periodic running of engine for maintenance purposes)

organizational maintenance (O-level) (day-to-day work that standard airfield maintenance groups perform in support of airfield operations)

routine maintenance / scheduled tasks, maintenance checks

scheduled tasks / routine maintenance, maintenance checks

special maintenance / contingency maintenance

communication and information systems (CIS)

manned and unmanned systems integration capability (MUSIC)

NATO Communication and Information Systems Services Agency (NCSA)

weapon and equipment systems

director, strategic and tactical systems

ground vehicle systems engineering and technology

celestial and satellite navigation systems

safety data collection and processing systems

jamming of beacons and blind landing (systems)

specialist areas (airframe and power plants; avionics; hydraulics; electrical systems)

Base Expeditionary Targeting and Surveillance Systems - Combined

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

command, control, communications, intelligence (C3I)