Maintenance
Army Maintenance careers keep weapons, vehicles, and electronic systems mission-ready. CMF 91 covers mechanical maintenance on ground vehicles, small arms, and utilities equipment. CMF 94 covers electronic and missile system maintenance.
Preparing for this career field? Most MOS jobs listed below require specific ASVAB line scores. Our ASVAB study guide covers every composite and how to raise the scores that matter for your target MOS. First-time testers may qualify for the PiCAT, the at-home version of the ASVAB.
Mechanical Maintenance (CMF 91)
- 91B Wheeled Vehicle Mechanic – maintains and repairs HMMWVs, trucks, and other wheeled vehicles
- 91C Utilities Equipment Repairer – repairs HVAC, refrigeration, and plumbing systems
- 91D Tactical Power Generator Specialist – maintains generators and associated electrical power distribution systems
- 91F Small Arms/Artillery Repairer – repairs rifles, machine guns, mortars, and artillery weapons systems
- 91H Track Vehicle Repairer – maintains and repairs tracked vehicles including tanks and Bradley fighting vehicles
- 91M Bradley Fighting Vehicle Systems Maintainer – maintains the Bradley IFV’s hull, turret, and weapons systems
- 91A M1 Abrams Tank System Maintainer – performs field-level maintenance on the M1 Abrams series main battle tank
- 91E Allied Trade Specialist – fabricates and welds replacement metal parts using precision machine shop equipment
- 91J Quartermaster and Chemical Equipment Repairer – repairs water purification units, laundry systems, heaters, and decontamination equipment
- 91L Construction Equipment Repairer – maintains bulldozers, graders, scrapers, and other heavy engineer construction equipment
- 91P Self-Propelled Artillery Systems Maintainer – performs field-level maintenance on the M109A7 Paladin self-propelled howitzer
- 91S Stryker Systems Maintainer – maintains the full family of Stryker wheeled combat vehicles across all ten variants
Electronic and Missile Maintenance (CMF 94)
- 94A Land Combat Electronic Missile System Repairer – maintains TOW, Javelin, and Bradley weapons electronics
- 94E Radio and Communications Security Repairer – repairs tactical radios, SATCOM terminals, and COMSEC encryption devices
- 94F Computer/Detection Systems Repairer – maintains computer-controlled detection and battlefield surveillance systems
- 94H TMDE Support Specialist – calibrates the Army’s test, measurement, and diagnostic equipment
- 94M Radar Repairer – repairs SENTINEL and FIREFINDER ground-based radar systems
- 94P Multiple Launch Rocket System Repairer – maintains M270 MLRS and HIMARS rocket artillery systems
- 94R Avenger System Repairer – repairs and maintains the Avenger short-range air defense missile system
- 94S Patriot System Repairer – maintains Patriot missile launching stations and fire control systems
- 94Y Automatic Test Systems Operator and Maintainer – operates and maintains automated test equipment for Army weapons and electronics
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