This publication, Army Techniques Publication ATP 3-06 Marine Corps Techniques Publication 12-10B Urban Operations 7 December 2017, provides commanders and staffs specific information they will need to plan and conduct urban operations. Second, the manual provides multiple templates and examples of products that are routinely used in the conduct of operations. Readers of this publication use ADRP 6-0 and MCDP 6 for discussions concerning roles and responsibilities Soldiers/Marines use to facilitate ease of communication among various members of different organizations. It should be noted that commanders may modify products as necessary to meet mission requirements. Local standard operating procedures (Army)/standing operating procedures (Marine Corps) (SOPs) may also provide examples of products more suitable to specific situations. The chapters are organized by topic and have been updated to reflect changes to both Army/Marine Corps doctrine. Specific to Army readers, this publication reflects changes in ADP 3-0, ADRP 3-0, ADP 5-0, ADRP 5-0, and ADP 6-0 and ADRP 6-0. The following briefly introduces and summarizes changes by chapter: Chapter 1 addresses the basic characteristics that constitute the urban environment. It describes the urban environment through a discussion of terrain, population, and infrastructure. Chapter 2 discusses understanding the necessity of urban operations. The chapter highlights the foundations of urban operations, risk considerations, and fundamental tasks in urban operations. Chapter 3 discusses effects warfighting and tactics in an urban environment. It contains a discussion on each warfighting function with key tactical considerations. Chapter 4 outlines the purpose of urban offensive operations. It then discusses the characteristics of urban offensive operations. Additionally, it provides a discussion of offensive battlefield/battlespace organization, forms and types of urban offense, and considerations of urban offensive operations. Chapter 5 provides a discussion of the purpose and characteristics of urban defensive operations. Then discusses the characteristics of urban defensive operations. Additionally, it provides a discussion of defensive battlefield/battlespace organization, types of urban defense, and urban defensive considerations. Chapter 6 discusses urban stability operations. It first discusses the purpose and characteristics of these operations. Then it discusses the stability considerations and stability activities in urban terrain.