This manual provides essential guidance for U.S. Army mortar squads, focusing on training and operational procedures for delivering accurate mortar fire. Authored by the U.S. Army, this field manual is designed for leaders and crewmen, drawing upon established training programs and technical manuals. It offers practical solutions for mortar crew training at the squad level, covering the 60-mm M224, 81-mm M252, and 120-mm M120/M121 mortars. The core argument emphasizes adherence to established principles while allowing for minor local variations in technique.

This official U.S. Army Field Manual is a foundational document for mortar crew operations and training. Its direct, procedural approach is designed for practical application in the field, ensuring consistency and effectiveness in mortar fire delivery. The manual's authority stems from its origin within the U.S. Army, making it a definitive resource for personnel involved in mortar operations. It serves as a critical reference for maintaining operational readiness and tactical proficiency.