Field Manual FM 3-94 Theater Army, Corps, and Division Operations April 2014 provides Army doctrine for the theater army, corps, and division. FM 3-94 explains the organization of the theater army, corps, and division headquarters and their respective command posts. It establishes the roles for each headquarters, including their respective contributions to joint operations. It discusses subordinate units and each headquarters' organization of its units, establishment of command and support relationships, and conduct of operations. The principal audience for FM 3-94 is theater army, corps, and division commanders and staffs. It also provides relevant information regarding the organization and operations for commanders and staffs at field army, subordinate theater-level commands and brigades, geographic combatant commands, and other Service headquarters. FM 3-94 uses joint terms where applicable. Selected joint and Army terms and definitions appear in both the glossary and the text. The term for which FM 3-94 is proponent is marked with an asterisk in the glossary. Its definition is boldfaced in the text. For other terms and definitions shown in the text, the term is italicized and the number of the proponent publication follows the definition. FM 3-94 applies to the Active Army, Army National Guard/Army National Guard of the United States, and United States Army Reserve unless otherwise stated. FM 3-94 has seven chapters organized under three parts. Part One describes the Army hierarchy within a geographic combatant command and goes into detail about the theater army, the senior echelon in each geographic combatant command. It includes three chapters. Chapter 1 provides an overview of the higher echelons of the Army. It introduces the three senior echelons of the Army within a geographic combatant command. It describes their roles and tasks in general terms. It lays out the Army concept of sustainment and support provided by theater army. This chapter also discusses operational and administrative chains of command and their differences. The chapter concludes with a brief review of operational areas. Chapter 2 describes the roles and tasks of the theater army. It discusses the staff organization of the theater army. It also discusses the main command post and contingency command post of the theater army and their employment by the theater army commander. Chapter 3 summarizes the theater-level commands and supporting organizations that allow the theater army to fulfill its roles and enable the corps and division to accomplish theirs. Part Two discusses the corps and includes two chapters. Chapter 4 explains the roles and tasks of the corps, together with its operational and administrative responsibilities. The chapter summarizes the subordinate units typically found in the corps echelon. The chapter then discusses the internal organization of the corps and the various command posts available to the corps commander. Chapter 5 examines corps-level operations. This includes how the corps arranges its combat power, organizes the area of operations, and conducts decisive action. Part Three addresses the division in two chapters. Chapter 6 explains the roles and tasks of the division headquarters, together with its operational and administrative responsibilities. The chapter summarizes the subordinate units normally under the operational or tactical control of the division. The chapter then discusses the internal organization of the division headquarters and the various command posts available to the division commander. Chapter 7 examines division-level operations. This includes how the division arranges its combat power, organizes the area of operations, and conducts decisive action.

Doctrine provides a military organization with unity of effort and a common philosophy, language, and purpose. This manual, "Theater Army Operations" (FM3-93), discusses the organization and operations of the theater army headquarters, including its role as the Army Service component command (ASCC) to the geographic combatant commander (GCC) and the relationships between the theater army headquarters and the theater enabling commands. The manual also discusses theater army responsibilities for setting the theater, Title 10 functions and responsibilities, generally referred to as the combatant commander's daily operations requirements, as well as the operational employment of the theater army's contingency command post (CCP) to directly mission command limited types of operations.

This book describes how future Army forces, as part of joint, interorganizational, and multinational efforts, operate to accomplish campaign objectives and protect U.S. national interests. It describes the Army's contribution to globally integrated operations, and addresses the need for Army forces to provide foundational capabilities for the Joint Force and to project power onto land and from land across the air, maritime, space, and cyberspace domains. The Army Operating Concept guides future force development through the identification of first order capabilities that the Army must possess to accomplish missions in support of policy goals and objectives.

This field manual aims to provide techniques to assist planners in planning, coordinating, executing, synchronizing, and assessing military deception (MILDEC). While the means and techniques may evolve over generations, the principles and fundamentals of deception planning remain constant. FM 3-13.4 applies to all members of the Army profession: leaders, Soldiers, Army Civilians, and contractors. The principal audience for this publication is Army commanders, staffs, and all leaders. Commanders and staffs of Army headquarters serving as joint task force or multinational headquarters should refer to applicable joint or multinational doctrine concerning joint or multinational planning. Trainers and educators throughout the Army also use this publication as a guide for teaching MILDEC. Commanders, staffs, and subordinates ensure their decisions and actions comply with applicable U.S., international, and, in some cases, host-nation laws and regulations.

This field manual establishes doctrine for military operations in a counterinsurgency (COIN) environment. It is based on lessons learned from previous counterinsurgencies and contemporary operations. It is also based on existing interim doctrine and doctrine recently developed. Counterinsurgency operations generally have been neglected in broader American military doctrine and national security policies since the end of the Vietnam War over 40 years ago. This manual is designed to reverse that trend. It is also designed to merge traditional approaches to COIN with the realities of a new international arena shaped by technological advances, globalization, and the spread of extremist ideologies--some of them claiming the authority of a religious faith. This is a comprehensive manual that details every aspect of a successful COIN operation from intelligence to leadership to diplomacy. It also includes several useful appendices that provide important supplementary material.