a. Control measures.
MP may use several types of control measures at a defile. Based on
use the simplest method of control and, when possible, they use two control
measures to ensure the operation runs smoothly. An illustration of a large
defile is at Figure 3-2.
Large Defile Operation.
(1) Visual Signals. The use of visual signals is a common method for
Visual signals tell traffic when to move.
signal can be an arm motion, a flashlight, a hand-held flag, or any
technique that shows vehicles when to move. MP usually use visual signals
in small defile operations where holding areas are not needed.
example is a construction site.
members in holding areas to hold or start traffic through the defile.
Communications can be linked directly between holding areas or be routed
through the squad leader at the defile site.
MP use wire as their main
means of communication. A wire hot loop can be set up between the defile
and the holding area. If they do use FM radio, they use it with caution.
Continuous message traffic may be monitored by enemy forces.
signature will give the enemy a target.