What is the reference for Pathfinder Operations?

The reference for Pathfinder Operations is FM 3-21.38. This field manual provides comprehensive guidance on the role of pathfinders in air assault and airborne operations. It covers essential topics such as the duties and responsibilities of pathfinders, techniques for establishing landing zones, and procedures for coordinating air traffic. This manual is crucial for soldiers conducting operations involving airborne forces, ensuring that they have a solid understanding of how to effectively support and execute these complex missions.

The other options pertain to different subjects within military operations, which do not specifically focus on the details related to Pathfinder Operations. Thus, recognizing FM 3-21.38 as the correct reference underscores its importance in training and operational planning for pathfinder units.