Signals are illustrated as normally seen by the viewer. Some signals are illustrated in oblique, right angle, or overhead views for clarity. Flashlights are used at night to direct vehicles. Blue filters should be used whenever possible in order to preserve the driver's night vision. Mechanized Movement Techniques.
Drills are a rapid, reflexive response executed by a small unit.
Infantry units patrol in order to conduct combat operations. Other units patrol for reconnaissance and security. Signals to Control Convoys a. Traffic Control.