OCC Field 13Marine Corps photo by Lance Cpl. Shellie Hall. Released for public use.

MOS OCC Field 13: Engineer, Construction, Facilities, and Equipment

For additional information, see the official Department of the Navy Headquarters Marine Corps MOS Manual:
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1316 Metal Worker
Metal workers are trained on different welding systems available to both the Marine Corps and civilians alike. They are specialists on gauges of metal and what type of welding equipment is needed for different metals.
Fort Lee, VA    
1341 Engineer Equipment Mechanic
These Marines are specialists who are trained in diesel engine systems. They primarily focus on how these systems work within heavy construction equipment, such as front-end loaders. A journeymen license is available for these Marines for better job opportunities in the civilian world.
Fort Leonard Wood, MO FB Group  
1342 Small Craft Mechanic
(Ranks: SSgt to LCpl) Small Craft Mechanics perform preventive maintenance and repairs to bridge erection boats and rubber-hulled vessels; repair diesel engines, outboard engines and hydro jet propulsion systems; and repair small craft trailers and cradle systems.
Not Listed    
1345 Engineer Equipment Operator
Engineer equipment operators are trained in the operation and basic maintenance of heavy construction equipment. They are experts at multiple pieces of construction equipment and have the opportunity to earn more licenses while serving.
Fort Leonard Wood, MO FB Group  
1349 Engineer Equipment Chief
(Ranks: MGySgt to GySgt) Engineer Equipment Chiefs coordinate and manage the maintenance and employment of engineer equipment in both horizontal construction and material handling operations. Through soil analysis, expedient drainage, production estimations and logistical requirements Engineer Equipment Chiefs employ engineer equipment to support general engineering operations.
Not Listed    
1361 Engineer Assistant
Plan and assist with an engineer chief on construction plans for bases, temporary helipads, airlines, and anything else that the Marines may be tasked with building and maintaining. These Marines use specialty equipment to make this possible, such as surveying equipment.
Fort Leonard Wood, MO FB Group  
1371 Combat Engineer
Combat engineers train in explosive demolitions and woodworking. They understand how to breach and clear doors, disable basic explosives, and search buildings for booby traps. Additionally, these Marines know how to use woodworking to build structures that can be used for both temporary and long-term use.
Camp Lejeune, NC    
1372 Assault Breacher Vehicle (ABV)/Armored Vehicle Launched Bridge (AVLB) Marine
(Ranks: GySgt to LCpl) The ABV/AVLB Marine is a NMOS for PMOS 1371, Combat Engineer. Job tasks associated with operations of the ABV/AVLB Marine will be those tasks required to drive the unit, operate the breaching/bridging systems, operate the commander's weapon station, operate marking equipment, and communicate.
Not Listed    
1391 Bulk Fuel Specialist
Bulk fuel specialists manage and clean fuel systems that are used to fuel aircraft, heavy equipment, and Marine Corps trucks. These Marines manage fuel depots all hours of the day to ensure that the fuel is always ready for use whenever needed.
Fort Lee, VA    
1392 Petroleum Quality Assurance and Additization Specialist
(Ranks: SSgt to LCpl) A Petroleum Quality Assurance Specialist is responsible to oversee, maintain and manage a bulk fuel unit's quality assurance/ surveillance responsibilities.
Not Listed    
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#OccField13 includes the following MOS:
1316 Metal Worker, MOS School:  Fort Lee, VA
1341 Engineer Equipment Mechanic, MOS School:  Fort Leonard Wood, MO
1342 Small Craft Mechanic, MOS School:  N/A
1345 Engineer Equipment Operator, MOS School:  Fort Leonard Wood, MO
1349 Engineer Equipment Chief, MOS School:  N/A
1361 Engineer Assistant, MOS School:  Fort Leonard Wood, MO
1371 Combat Engineer, MOS School:  Camp Lejeune, NC
1372 Assault Breacher Vehicle (ABV)/Armored Vehicle Launched Bridge (AVLB) Marine, MOS School:  N/A
1391 Bulk Fuel Specialist, MOS School:  Fort Lee, VA
1392 Petroleum Quality Assurance and Additization Specialist, MOS School:  N/A
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