MCCES is based at the Marine Corps Air Ground Combat Center Twentynine Palms, California.

[1] To train Marines in ground electronics maintenance, tactical communications, and air control/anti-air warfare operations and maintenance in order to ensure commanders at all levels within the Marine Corps have the ability to exercise command and control throughout the operational environment; and to participate in technical and logistical evaluations for new communication, electronic maintenance, air control, and anti-air warfare systems in support of fielding and training.

In 1943 they moved to Camp Lejeune, NC; remained there until the end of WWII and eventually offered 15 courses in the communications field.

2011 In August the Commanding Officer of MCCES officially became the reporting senior for; CO, Communication School, MCB, Quantico, Virginia; CO, Marine Detachment Fort Gordon, Georgia; CO, Low Altitude Air Defense School, Fort Bliss, Texas and Marine Corps Representative, Sheppard AFB, Texas.

The Ground Radio Repair Course teaches analysis, troubleshooting, maintenance, restoration, and repair of ground transmission systems line-replaceable units to the shop replaceable unit and chassis-mounted component-level to entry-level Marines.

The Digital Wideband Repair Course teaches principles of digital and microwave communications, multi-channel transmission principles, FM transceivers, satellite communications theory, and component level troubleshooting to entry-level Marines.

The Tactical Remote Sensor System Maintenance Course teaches installation, testing, circuit analysis, and troubleshooting of the Tactical Remote Sensor System to Marines who already have a required Military Occupational Specialty The Basic Electronics Course teaches basic electricity, electronics, digital logic, computer operation, circuit principles, troubleshooting, and soldering.

It prepares entry-level Marines to attend follow-on electronic equipment repair courses specific to their MOS (Military Occupational Specialty).

It prepares career-level Marines to attend a follow-on advanced electronic equipment repair course.

The Micro-Miniature Automated Test Equipment Course teaches entry-level and Fleet Marines to use automated test equipment to isolate faults on circuit card assemblies, develop test routines for various circuit card assemblies, and then repair them using advanced soldering techniques including miniature and microminiature surface mount, plated-through hole, and wire termination techniques and fundamentals.

The "2M" Technicians produced in this course will also have the ability to repair, reconstruct, and resurface laminates and other various surface types that are used in circuit cards.

Marines completing this course earn the military occupational specialty of 2847 (Ground Electronics Telecommunications and Information Technology Systems Maintainer).

The Electronics Maintenance Supervisors Course is career progression training for Master Sergeants in the 28XX field and for Warrant Officer 1's seeking to become 2805's.

Their task being to safely and efficiently receive and pass on request from friendly forces and delegate the airspace as efficiently as possible to provide deep air support as part of their operations center the Direct Air Support Center (DASC) works with a procedural control system.