reconnaissance fire channel

slant fire; diagonal fire; oblique fire; fire to the oblique

quick-fire channel

fire channel

fire-support channel

nonnuclear fire request channel

nuclear fire request channel

counter reconnaissance / counter-reconnaissance

fire control orders (FCO) ('Hold Fire', 'Cease Fire' and 'Engage')

channel

channel of command

channel routes

drainage channel

duplex / two-way channel

fixed frequency channel

half-duplex channel

searched channel

simplex channel

single-channel ground and airborne radio system (SINCGARS) radio

beam channel

in the period in which the communications channel has been open

information collection channel

converging channel

diverging channel

control channel

adjacent channel

audio channel

audio-frequency channel

recording channel

reproducing channel

channel decoder

channel resistance

channel unit