7. Figure 1-4 illustrates the general organization of a military network, proceeding from army
through division to regiment. Each line represents a radio link within the terms of the
definition given; one path of radio communication between two stations. Remember that only
two stations are involved in a link, never any more, even though a particular station may
appear in two or more links.
8. The 8th Division, for example, may be involved in three different links. Communication
between the 8th Division and the 25th Regiment constitutes one link, between the 8th Division
and the 26th Regiment constitutes a second link, and between the 89th Division and 4th Army
constitutes a third link. In each case, there exists ONE PATH OF RADIO COMMUNICATION
BETWEEN TWO STATIONS.
9. The links which form the triangle between the 8th Division, 25th Regiment, and the 26th
Regiment constitutes a group; those forming the triangle between the 9th Division, 27th
Regiment, and 28th Regiment constitute another group. These links are placed in groups
because they work together as a communication entity under a common operating control, the
group control being the highest headquarters within the group.
10. A net is made up of the two groups together along with the 7th Division, and is called the
4th Army NET since each division is subordinate to the 4th Army. When considering the entire
structure, with all support units (AIR DEFENSE), the communication structure may be termed
the Fourth Army Network.
11. The net, group, and the link are merely units of organization in communications language,
just as armies, divisions, and regiments are units of organization in the military.
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IT0301
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