TC 7-100.3 Irregular Opposing Forces - Headquarters Department of the Army - Bog

To fight your enemy, you have to know your enemy!
The US Army's Training Circular 7-100.3 Irregular Opposing Forces is used to provide a doctrinal framework for opposing forces (OPFOR) training in an irregular warfare operating environment. Irregular OPFOR are typically, guerrillas, narcos, terrorists, militias and protesters. The manual provides guidance on how these types of enemies organise and operate.
Printed in easy to read 6x9 paperback format.
For more like this, look for the distinctive OCP camouflage covers.