Army Techniques Publication ATP 4-33 Maintenance Operations April 2014 Army techniques publication (ATP) 4-33, Maintenance Operations, describes the operational Army maintenance operations and focuses on how maintenance operations are conducted at the operational and tactical-level. Its primary focus is on maintenance organizations and their missions, but also addresses the roles and functions of strategic level maintenance organizations that provide logistics and individual Soldier support services. The intended audience for this manual includes the following. Commanders at all levels - to give them a better understanding of how maintenance support operations are organized and provided. Commanders and Staff of sustainment organizations-to inform them of the integration of transforming maintenance support operations into Army missions. Soldiers of all grades - to give them a broad knowledge