What manual outlines the Direct Fire Engagement Process (DIDEA)?

The manual that outlines the Direct Fire Engagement Process (DIDEA) is TC 3-20.31-4. This training circular is dedicated to the subject, providing detailed guidance and procedures for engaging targets with direct fire. It encompasses the principles, tactics, and methodologies essential for effective engagement, ensuring that personnel are well-prepared to apply these concepts in various operational contexts.

Understanding DIDEA is crucial for achieving proficiency in direct fire engagements, as it emphasizes situational awareness, target identification, and decision-making processes required during operations. The other manuals listed may focus on different aspects of military training and operations, but only TC 3-20.31-4 specifically addresses the Direct Fire Engagement Process, tying together theory and practical applications effectively.