Book excerpt: This manual, Army Techniques Publication ATP 6-02.40 Techniques for Visual Information Operations January 2019, is the primary doctrine publication for visual information operations to support the Army's mission. ATP 6-02.40 provides techniques associated with the components of visual information operations and establishes non-prescriptive ways or methods combat camera Soldiers perform missions, functions, and tasks associated with visual information. The principal audience for ATP 6-02.40 is combat camera Soldiers, commanders, staff, supervisors, planners, and other personnel involved in providing combat camera and visual information support to strategic, operational, and tactical mission objectives. ATP 6-02.40 applies to the Active Army, Army National Guard/Army National Guard of the United States, and United States Army Reserve unless otherwise stated.ATP 6-02.40 expands on the visual information foundations and tenets established in FM 6-02, Signal Support to Operations. Information in ATP 6-02.40 includes roles and responsibilities that enable and support the Army's mission at all echelons. ATP 6-02.40 outlines the Defense Media Activity and its operating components. ATP 6-02.40 has six chapters: Chapter 1 provides an overview of visual information operations. Chapter 1 discusses the visual information mission, support, and outlines imagery life-cycle management. Chapter 2 introduces visual information documentation. Chapter 2 defines and addresses visual information documentation including combat camera, operational documentation, technical documentation, and supplemental visual information roles. Chapter 3 provides an overview of combat camera operations, the associated roles, responsibilities, as well as the organizational structure of the combat camera company. Chapter 3 discusses combat camera support to Army and joint operations. Chapter 4 provides a description of the various visual information documentation methods and products used to document events and activities. Chapter 5 outlines the military occupational specialty training and the specialized training associated with visual information operations personnel. Chapter 6 addresses life-cycle sustainment for visual information equipment and systems, equipment planning, and maintenance.