Marine Corps Warfighting Publication (MCWP) 4-12, Operational-Level Logistics, provides the doctrinal basis for the design, planning, coordination, and execution of ground and aviation logistic support for Marine force operations at the operational level of war. It identifies the logistic authorities and support at the levels of the combatant commander and Marine Corps component command, and discusses the Service, agency, and joint enablers available to the operational-level planner. This publication describes the role of the Marine Corps component in relation to the combatant commander with regard to logistic operations. It expands on Marine Corps Doctrinal Publication 4, Logistics, and MCWP 4-1, Logistics Operations, and it complements MCWP 4-11, Tactical-Level Logistics