NJ Cavalry


New Jersey cavalrymen attend to their bivouac site in Arizona in 1916.

Ordnance / Maintenance

Armament for Peace

Job training within the Ordnance Corps consists of ten weeks of Basic Combat Training (BCT) and 8-29 weeks of Advanced Individual Training (AIT) depending on your specialty. Within different jobs, you will learn engine repair and tune-up. You will also learn maintenance and repair of virtually every part of different military vehicles. You might concentrate on machine operation, welding and soldering. Or you can learn electronic and mechanical principles and concepts, including the use of schematics, drawings, blueprints and wiring diagrams; the use of electronic, electrical and mechanical test equipment; and how to repair and maintain electrical products and power systems.

Civilian Related
The skills you learn in the Mechanic and Maintenance career field will help prepare you for a future as an automotive or truck mechanic, marine engine mechanic or construction equipment repairer. You can also pursue a career as an electronic mechanic, avionics technician or missile facilities repairer with civilian firms that build weapons for the military; or a power plant electrician at a construction company, manufacturer or utility company. You will be able to consider a future in many industries, including the electrical product, automotive and heavy machinery industries. You could work in metal repair shops, auto repair shops, construction companies, pipeline companies, aircraft manufacturing plants, civilian service stations, auto dealers, farm equipment companies and state highway agencies.

Military Occupational Specialties

89A Ammunition Stock Control & Accounting Specialist
The Ammunition Stock Control and Accounting Specialist operates the Standard Ammunition and Accounting System-Modernized computer hardware and software, and utilizes manual records to perform stock control and accounting procedures for ammunition, explosives and associated explosive components.

89B Ammunition Specialist
Ammunition and weapons, also known as ordnance, are hazardous materials, and their handling and storage must be carried out carefully. Ammunition Specialists store, inspect, prepare and dispose of conventional ammunition, guided missiles, large rockets and other weapons and ammunition-related items. Ammunition Specialists also load explosives and ammunition on aircraft, and assist in preparing ammunition and explosives for transportation.

91B Wheeled Vehicle Mechanic
Army missions depend on automotive and heavy equipment. As a member of the Mechanical Maintenance team, the Wheeled Vehicle Mechanic handles the maintenance and repair of vehicles such as Humvees, cars and trucks. Wheeled Vehicle Mechanics work on all parts of the vehicles, from engines, steering, brakes, suspensions and electrical systems to wheel/hub assemblies and damaged body parts.

91C Utilities Equipment Repairer
As members of the Army National Guard’s electrical maintenance team, Utilities Equipment Repairers maintain and repair electrical equipment such as electric motors and electric tools. They make sure all electrical equipment and special purpose support systems remain in excellent working order.

91D Power-Generation Equipment Repair
Every Army post must have its own electricity. Power-Generation Equipment Repairers keep the power running smoothly by maintaining and repairing electricity-generating equipment in mobile and stationary power plants. They oversee maintenance and repair of power-generation equipment, internal combustion engines and associated equipment, including motors, generators, switchboards and control equipment, as well as power and lighting circuits, electrical fixtures and other electrical equipment.

91E Allied Trades Specialist
Many Army construction projects make use of sheet metal and/or engines requiring custom parts and specialized repair. Metal workers and machinists are responsible for fabricating, installing and repairing sheet metal products, building and automotive parts such as roofs, air ducts, gutters and vents, radiators and fuel tanks. They operate lathes, drill presses, grinders and other machine-shop equipment to fabricate, repair and modify metallic and nonmetallic shafts, gears or other automotive and shipping parts.

91F Small Arms/Artillery Repairer
Army and National Guard forces use a wide array of weapons, from small field artillery to large ballistic missiles. Small Arms/Artillery Repairers keep small arms and other infantry weapons operating properly by performing maintenance and repairs on electronic firing, guidance and launch systems that help locate targets, aim weapons and fire them.

91G Fire Control Repairer
The fire control repairer is primarily responsible for supervising and performing maintenance on combat vehicles, and infantry and artillery fire control systems and equipment.

91J Quartermaster and Chemical Equipment Repairer
The Quartermaster and Chemical Equipment Repairer performs maintenance on power generation, laundry and bath equipment, pumps, engines, burners, filter units, smoke generation and water purification or associated items. They also work on forced-air heaters and special-purpose equipment.

91L Construction Equipment Repairer
The bulldozers, power shovels, repair trucks and other equipment used for construction operations need to stay in top working condition. Construction Equipment Repairers maintain and repair construction equipment used for earthmoving, grading and compaction; lifting and loading; quarrying and rock crushing; asphalt and concrete mixing and surfacing; water pumping; air compression and pneumatic tools; and power bridging.

94A Land Combat Electronic Missile System Repairer
Electronic instruments are used in all areas of the Army, including combat. As a member of the Guard’s electronic maintenance team, the Land Combat Electronic Missile System Repairer is primarily responsible for maintaining the TOW (M-220 Tube-launched, Optically tracked, Wire-guided missile) antimissile system, the DRAGON antitank guided missile systems and the Bradley Fighting Vehicle system. Land Combat Electronic Missile System Repairers fix and maintain electronics and electronic components.

94E Radio and Communications Security (COMSEC) Repairer
The communications maintenance team is responsible for the equipment used to track and direct troop, aircraft and watercraft movements. A COMSEC Repairer is an important part of the team, responsible for maintaining radio receivers, transmitters, communication security equipment, controlled cryptographic items and other associated equipment.

94F Computer Detection Systems Repairer
Electronic instruments are used in all areas of the Army, including combat. As a member of the Guard’s electronic maintenance team, the Computer Detection Systems Repairer is primarily responsible for maintenance and repair on special electronic devices such as night-vision equipment, electronic distance and azimuth-orienting devices, battlefield illumination devices, and nuclear, biological and chemical warning and measuring devices.

94M Radar Repairer
The communications maintenance team is responsible for the equipment used to track and direct troop, aircraft and watercraft movements. The Radar Repairer is an essential member of this team and is primarily responsible for installing, repairing and maintaining military radar equipment. Radar Repairers’ duties include having a working knowledge of air traffic control, missile tracking, air defense and other radar systems, as well as the ability to operate and repair them.

94R Avionic and Survivability Equipment Repairer
The communications maintenance team is responsible for the equipment used to track and direct troop, aircraft and watercraft movements. An Avionic and Survivability Equipment Repairer is an important member of the team, primarily responsible for performing maintenance on manual and semiautomatic switchboards, telephones and associated wire instruments and equipment.

Origins of the Ordnance Corps

The Ordnance Corps dates back to the early days of the American Revolution. In 1775, a Continental Congree committee, which included George Washington, convened to study the methods of arms and ammunition procurement and storage. As a result, Ezekiel Cheever was appointed as the Commissary General of the Artillery Stores, making him essentially the first Chief of Ordnance. In 1776, a Board of War and Ordnance was created, with the responsibility of issuing supplies to troops in the field. The next year, the first Ordnance powder magazine was established at Carlisle, Pennsylvania, followed shortly thereafter by the first arsenal and armory operations at Springfield, Massachusetts. Other arsenals and armories were also established at Harpers Ferry, Philadelphia, and Watertown, near Boston.

On May 14, 1812, the Ordnance Department was formally organized by Congress as part of the preparations for the second British war. The department assumed responsibility for arms and ammunition production, acquisition, distribution, and storage in a much broader geographical base than in the War for Independence

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