ATP 3-20.15 provides principles, tactics, techniques, and procedures for the employment of tank platoons. It also provides the framework and technical employment principles for tank platoons of the Armored and Rifle Company Teams and Combined Arms Battalions (CAB). ATP 3-20.15 also provides doctrinal guidance for commanders, staff, and leaders who are responsible for planning, preparing, executing, and assessing operations of tank platoons. This ATP serves as an authoritative reference for personnel developing doctrine (fundamental principles and tactics, techniques, and procedures TTP]), material and force structure, institutional and unit training, and tank platoon standard operating procedures (SOP). The doctrinal principles and procedures contained within this ATP are intended to be used as a guide and not to be considered prescriptive. ATP 3-20.15 outlines the framework in which tank platoons will operate, either by themselves or together as part of the combined arms company team. ATP 3-20.15 also includes discussions of doctrine that is applicable to all tank platoons. This publication applies to the Active Army, the United States Army National Guard (ARNG)/Army National Guard of the United States (ARNGUS), and the United States Army Reserve (USAR) unless otherwise stated. The proponent for this publication is the United States Army Training and Doctrine Command. The preparing agency is the United States Army Maneuver Center of Excellence.