This United States Marine Corps manual, Marine Corps Reference Publication MCRP 3-10A.4 Marine Rifle Squad August 2020, contains tactics, techniques, and procedures for rifle squad employment and captures lessons learned from recent decades of conflict. It covers a range of missions that Marine rifle squads deal with today or may deal with tomorrow. This publication is the basic warfighting squad publication.

This publication is intended for Marine Corps infantry company and below leadership, including units serving as provisional infantry. It is a foundational document that assists in the preparation and execution of squad-level operations in the current operational environment in order to accomplish their assigned missions.