This publication, Army Techniques Publication ATP 4-0.1 Army Theater Distribution October 2014, provides a doctrinal guidance for Army theater distribution in support of decisive action tasks. This manual describes the Army distribution system, organization, structure, and operational processes within a theater. It provides doctrinal guidance for units with distribution responsibilities, operations, and the in-transit visibility (ITV) tracking and monitoring processes for moving personnel and materiel in theater. These topics are addressed as they pertain to combatant commanders, logisticians at all levels, staff, and students who may require knowledge on Army, joint and multinational theater-level distribution. This manual also provides the basis for theater distribution system training, organizational, and materiel development. The principal audience for ATP 4-0.1 is all members of the profession of arms. Commanders and staffs of Army headquarters serving as joint task force or multinational headquarters should also refer to applicable joint or multinational doctrine concerning the range of military operations and joint or multinational forces. Trainers and educators throughout the Army will also use this publication. Army Techniques Publication ATP 4-0.1 Army Theater Distribution October 2014 contains 5 chapters: Chapter 1 provides an overview of sustainment and theater distribution fundamentals. The chapter identifies theater distribution strategic partners and describes their role in theater distribution. Chapter 2 discusses theater distribution planning and preparation including planning process and products. The chapter also includes sustainment preparation of the operational environment and synchronization of other sustainment activities such as medical and maintenance operations. Chapter content also identifies joint planning products the sustainment command staff might contribute to or use to develop Army planning products. Chapter 3 includes a mission command discussion for organizations conducting theater distribution. Staff elements with a controlling function are identified and described. Theater level boards and centers and their relationship with the Army theater distribution providers are discussed. Chapter 4 begins with theater opening and moves to sustaining theater distribution. Distribution methods and providers are identified. Task organized elements conducting distribution functions are identified along with considerations for how and when to establish them. This chapter also includes a discussion on assessments. Chapter 5 addresses materiel management and the integration of supply and transportation at the operational level.