The Marine Corps Engineer School (MCES) delivers approved engineer focused programs of instruction at the entry and supervisory levels in order to prepare officer and enlisted engineers for duty with the Operating Force.  Additionally, MCES serves as the service lead for Counter Improvised Explosive Device Defeat the Device (C-IED DtD) training.  MCES serves as an expert in engineer education, training, doctrine and requirements development with the Doctrine, Organization, Training, Materiel, Leadership and Education, Personnel, and Facilities process in support of the Operating Force, Training and Education Command (TECOM), Training Command (TRNGCMD), Marine Air-Ground Task Force Training Center, the Engineer Advocate and Proponents at Headquarters Marine Corps (HQMC), Marine Corps Systems Command, Marine Corps Warfighting Laboratory, Combat Development and Integration and other services and agencies.