The purpose of Training Circular (TC) 3-21.60 is to standardize Visual signals and to serve as a training reference.
Control an.
Efficient combat operations depend on clear, accurate, and secure communication among ground units, Army aviation, and supporting Air Force elements.
Signals used with equipment or during operations are in manuals that relate to such operations.
It does not cover all Visual signals used in the Army, only those that are commonly used.
It is a guide.
The purpose of Training Circular (TC) 3-21.60 is to standardize Visual signals and to serve as a training reference