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Army MOS · Support

913A Armament Systems Maintenance Warrant Officer

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

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Overview

An Armament Systems Maintenance Warrant Officer manages personnel and activities that inspect, maintain, repair, replace, and modify small arms, artillery and armor weapons, and crew-served weapons. This officer directs shop workflow, requisitions parts and supplies, inspects maintenance procedures, provides technical assistance, and trains enlisted specialists in armament maintenance tasks.

Core Skills

  • Weapons accountability and shipment procedures
  • Repair inspection and checkout oversight
  • Technical publication and repair parts resupply
  • Maintainer instruction in inspection and adjustment

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

First-Line Supervisors of Mechanics, Installers, and Repairers

Directing armament repair shops, planning workflow, overseeing inspections, and training maintainers transfer directly to civilian maintenance supervision.

How to prepare: Prepare a work sample showing how you scheduled repairs, coordinated parts, and verified completed work against technical specifications.

What the civilian work involves
  • Inspect, test, and measure completed work, using devices such as hand tools or gauges to verify conformance to standards or repair requirements.
  • Monitor employees' work levels and review work performance.
Civilian tools and software (examples)
  • Microsoft Excel

Training & Development

Choose credentials for your target role. COOL funding markers describe program listings, not a guarantee of eligibility or funding.

Getting Started

  • Certified Maintenance and Reliability Professionals (CMRP)

    Document maintenance and reliability knowledge relevant to civilian repair-shop supervision.

    Eligibility and preparation: No education or work-experience minimum; candidates must not have taken the examination within the preceding six months.

    For: First-Line Supervisors of Mechanics, Installers, and Repairers

Notes & Sources

Evidence for this guidance (4 documents)
  1. Army COOL MOC feed: 913A Armament Systems Maintenance Warrant Officer

    [1] data/authority/army-codes.json entry 913A (OSD COOL feed, fetched 2026-07-25); DB rank warrant_officer, authority codeType warrant_officer

    Supports: Weapons accountability and shipment procedures, Repair inspection and checkout oversight, Technical publication and repair parts resupply, Maintainer instruction in inspection and adjustment, First-Line Supervisors of Mechanics, Installers, and Repairers (O*NET 49-1011.00)

  2. O*NET: First-Line Supervisors of Mechanics, Installers, and Repairers

    [2] O*NET 30.3 occupational data

    Supports: First-Line Supervisors of Mechanics, Installers, and Repairers (O*NET 49-1011.00)

  3. COOL credential mapping: Certified Maintenance and Reliability Professionals (CMRP)

    [3] 913A cached COOL credential feed

    Supports: Certified Maintenance and Reliability Professionals (CMRP)

  4. Society for Maintenance and Reliability Professionals: CMRP eligibility

    [4] Eligibility; retrieved 23 September 2026

    Supports: Certified Maintenance and Reliability Professionals (CMRP)

Defense contractor jobs for 913A

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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