Marine Corps Warfighting Publication (MCWP) 3-40, Marine Corps Logistics, provides commanders and logisticians with a broad perspective on the Marine Corps’ logistics missions and objectives. It addresses the Marine Corps’ core logistics capabilities at the strategic, operational, and tactical levels of warfare. This publication describes how activities at each level interact with and support activities at other levels, ensuring that effective logistics support exists down to the tactical commander. This publication is primarily intended to introduce the Marine Corps logistics and support structure, depicting an overview of the processes used to plan and execute logistics support.