Army Techniques Publication ATP 4-12 Army Container Operations with Change 1 augments the sustainment doctrine established in Army Doctrine Publication (ADP) 4-0, Sustainment. It constitutes the Army's view of how the Army manages containers on land and sets the foundation for developing additional tactics, techniques, and procedures. It also forms the basis for Army training and education system curricula. The principal audience for ATP 4-12 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 manual. ATP 4-12 uses joint terms where applicable. Selected joint and Army terms and definitions appear in both the glossary and the text. Terms for which ATP 4-12 is the proponent publication (the authority) are marked with an asterisk in the glossary. Definitions for which ATP 4-12 is the proponent publication are boldfaced in the text. For other definitions shown in the text, the term is italicized and the number of the proponent publication follows the definition. Commanders, staffs and subordinates must ensure their decisions and actions comply with applicable United States, international, and, in some cases, host nation laws and regulations. Commanders at all levels ensure their Soldiers operate in accordance with the law of War and the rules of engagement. (See Field Manual 27-10) ATP 4-12 applies to the Active Army, Army National Guard/Army National Guard of the United States, and United States Army Reserve unless otherwise stated. U.S. Army Combined Arms Support Command (CASCOM) is the proponent for this publication. The preparing agency is the Doctrine Division, U.S. Army Combined Arms Support Command.