Which document outlines the concept of Essential Elements of Friendly Information?

The document that outlines the concept of Essential Elements of Friendly Information is FM 3-98. This field manual focuses on the operations of cavalry forces, detailing tactics, techniques, and procedures specific to cavalry units. Within this context, the Essential Elements of Friendly Information are vital for maintaining operational security and awareness of friendly capabilities during operations.

Understanding how this concept fits into the broader framework of cavalry operations is crucial for leaders in the field. Effective use of Essential Elements of Friendly Information helps ensure that sensitive information about forces and intentions is protected from adversaries, contributing to mission success and operational integrity.

The other documents listed do cover various aspects of military operations and intelligence but do not specifically address the Essential Elements of Friendly Information as it pertains to cavalry operations, making FM 3-98 the most relevant choice for this topic.