Author Description

ATP 3-21.90/MCTP 3-01D is a multiservice publication that provides Army and United States Marine Corps (USMC) a doctrinal reference for the employment of mortar squads, sections, and platoons. It contains guidance on tactics and techniques that mortar elements use to execute their part of combat operations described in battalion-, squadron-, troop-, and company-level manuals. This publication contains guidance on how a mortar element’s fires and displacement are best planned and employed to sustain a commander’s intent for fire support.