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Signal Kit / MK-79 (illumination signal kit)
command signal center
forward area signal center
main 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
acknowledgement signal
arm-and-hand signal
audio signal
caution signal
combined signal
command and signal
control signal
distress signal (=SOS)
echo (returned signal)
field army signal brigade
flash a signal
hand signal
hoisting signal flags
jamming signal
prearranged signal
pyrotechnic signal
radio alarm signal
radio frequency signal
recognition signal
signal battalion
signal communication battalion