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FIELD 28, GROUND ELECTRONICS MAINTENANCE

FIELD 28, GROUND ELECTRONICS MAINTENANCE (14)

The ground electronics maintenance OccFld includes the installation, diagnosis, repair, adjustment, modification, and calibration of electronic equipment and systems used by Marine Corps ground forces. The equipment and systems include various types of communications hardware, data terminals, cryptographic devices, ground radar, nuclear, biological and chemical detection electronics, unmanned aerial vehicle electronics, and a wide range of test equipment and calibration devices. Qualifications to work in this field include manual dexterity, normal color vision, be eligible to hold a secret security clearance, the ability to understand highly technical material, and to comprehend somewhat complex mathematical and logic principles. Types of entry-level jobs available include work as a ground communications systems repairer, ground radio intermediate repairer; telephone systems/personal computer repairer, calibration technician, and artillery electronics technician. Formal schooling is provided to all Marines entering this field. In general, entry-level training consists of basics electronics, electronic systems fundamentals, and an equipment oriented phase at either a Marine Corps school or other service school. Career progression training will involve either related supervisory/technical level training or lateral move to another MOS within the field. Skill progression, skill enhancement and skill sustainment training is provided via distributed learning and formal schooling. Billets for ground electronics maintenance personnel are found throughout the Marine Corps, but are concentrated within units having specific electronic or service support missions. Marines in this field may serve within division or wing units, communication battalions, MLG, or at a depot affecting the complete overhaul of electronic equipment. Instructor billets are found at the formal schools. Marines entering this field will be assigned MOS 2800, Basic Ground Electronics Maintenance Marine.

Electronics maintenance chiefs perform staff duties in formulating and implementing maintenance and supply plans, provisioning data/communications items, and preparing or reviewing publications and training materials. As a senior noncommissioned officer in a highly technical field, the electronics maintenance chief is qualified to manage the
activities of maintenance personnel from diverse maintenance specialties within the MAGTF. Duties may include teaching electronics theory and maintenance best-practices, supervising a maintenance shop, writing evaluation test plans, and inspecting units performing electronic maintenance. This MOS is a career progression for gunnery sergeants with MOSs, 2831, 2834, 2862, and 2887.
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Artillery electronics technicians' duties encompass the operation and maintenance of Counter Mortar Radar Systems, Meteorological Measuring Systems, Chronograph Systems, and ancillary ground radar systems. Tasks include the siting, installing, inspecting, testing, and repairing of the systems with emphasis on inspection. Artillery electronics technicians maintain necessary records on maintenance performed, hours of operation, and systems or component tests. MOS 2891, Electronics Maintenance Chief is assigned upon promotion to Master Sergeant.
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Metrology technicians are qualified to calibrate precision electronic, mechanical, physical, optical, infrared, and laser Test Measurement and Diagnostic Equipment (TMDE) through use of higher order measurement standards. Typical duties include supervising the operation of a calibration and TMDE maintenance facility to include such tasks as safeguarding and reporting of calibration results, maintaining accurate traceability to a higher echelon laboratory, and preparing and receiving shipments of delicate TMDE. Duties also include the determination of calibration levels required based on equipment capabilities and user requirements, technical evaluation of calibration procedures, monitoring the capability of requirements of facility standards and submission of change requests, and the training of users in the proper care and operations of TMDE. This MOS is a career progression for MOS 2871. Preferred target for assignment to career progression training is at the 6-8 years time-in-service (TIS) mark.
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Calibration technicians are qualified to perform calibration of high density, low complexity test measurement and diagnostic equipment (TMDE). Additionally, they are also qualified to repair and modify electrical/electronic TMDE. Typical duties include the calibration of high density, low complexity TMDE and the repair and modification of electrical/electronic TMDE as necessary to include associated maintenance management and metrology documentation. These technicians are also qualified to instruct theory and maintenance of electrical/electronic TMDE.
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Electronics maintenance technicians are qualified to perform complex diagnosis, repairs, and modifications to ground data/communications equipment. These technicians supervise ground data/communications maintenance activities and instruct in the use and repair of ground data/communications equipment and systems. Typical duties include complex repairs and modifications to data/communication equipment, supervision of a maintenance section or shop, coordination of equipment evacuation for repair with other maintenance activities, requisitioning of parts, and monitoring maintenance reports. These technicians also provide technical assistance during the employment and installation of data/ communication systems. This MOS is a career progression for MOSs 2844, 2846, and 2847. Preferred target for assignment to career progression training is at the 6-8 years time in service (TIS) mark. MOS 2891, Electronics Maintenance Chief, is assigned upon promotion to Master Sergeant.
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Tactical remote sensor system (TRSS) maintainers are trained to inspect, maintain and repair TRSS equipment up to the field level. TRSS maintainers are also trained to provide technical assistance during the installation and operation of the TRSS. This MOS will only be assigned to Marines holding primary MOS 2846, or 2862.
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Telephone systems/personal computer repairers are trained to diagnose, modify, and perform repairs on telephone equipment, switchboards, Marine Corps Common Hardware Suite (MCHS) computers, peripheral devices and related equipment. Typical duties include repairs and the alignment to ground common telephone equipment and Marine Corps Common Hardware Suite (MCHS) computers, requisitioning of parts, and completing equipment repair orders.
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Ground radio intermediate repairers are trained to diagnose, modify, and perform repairs at the intermediate level on ground common radio equipment, peripheral devices, and related equipment. Typical duties include intermediate level repairs to ground common radio equipment, requisitioning of parts, and completing equipment repair orders.
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Ground communications organizational repairers are trained to perform modification and organizational level maintenance on ground common radio equipment, ground common telephone equipment, switchboards, peripheral devices, and related electronic equipment used by ground and aviation forces. They are also trained to troubleshoot communications systems to ensure reliable service to users. Typical duties include organizational level repairs and alignments of ground common radio, telephone, switching, and antenna equipment. These Marines also requisition parts, complete repair orders, and assist in the installation of ground communications systems.
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Satellite communications (SATCOM) technicians are qualified to test and repair satellite communications equipment. These terminals are used to establish high capacity communications with other military and civilian systems. Typical duties include adjusting audio or data levels, use of test equipment to identify and diagnose equipment faults to the component level and making repairs as required. Technicians are trained to perform preventative and corrective maintenance to the field level. Technicians are also trained in employment and installation of the terminals to complement their working knowledge of hardware capabilities. Lateral input to MOS 2834 is primarily from other OccFld 28 MOSs. Marines in related electronics OccFlds 59, 63, and 64 will be considered on a case-by-case basis for a lateral move into MOS 2834. Nominees for lateral move will submit request via command CRS. MOS 2891, Electronics Maintenance Chief, is assigned upon promotion to Master Sergeant.
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