command signal center

Signal Kit / MK-79 (illumination signal kit)

forward area signal center

main signal center

signal center

supporting signal center

US Army Signal Center

advanced signal center

Joint Information Operations Center /Joint Intelligence Operations Center (JIOC)

surface-to-air missile operations center / SAM operations center (SAMOC)

French Center Recherche Sur Le Renseignement / French Center for Intelligence Research (Cf2r / CF2R)

center-to-center method

command and signal

Situation, Mission, Execution, Administration, Command & Signal (SMEAC)

command and signal matters

command destruct signal

command signal

command operations center

National Military Command Center

US Space Command’s Missile Warning Center

command center

command control center

Boeing E-4 Advanced Airborne Command Post (AACP) / E-4 National Airborne Operations Center (NAOC)

acknowledgement signal

arm-and-hand signal

audio signal

caution signal

combined signal

control signal

distress signal (=SOS)

echo (returned signal)

field army signal brigade

flash a signal