Army MOS · Combat & Infantry

74A Chemical, Biological, Radiological, and Nuclear (CBRN)

Current service use not established

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

Overview

A Chemical, Biological, Radiological, and Nuclear Officer commands or assists in commanding a CBRN unit or activity and directs its operations and training. The officer plans vulnerability assessments, reconnaissance, decontamination, force protection, sensitive site exploitation, obscuration, and efforts to combat weapons of mass destruction.

Core Skills

CBRN vulnerability assessment and protection planning
Sensitive site exploitation and assessment planning
Multi-spectral obscuration operations planning
Weapons of mass destruction consequence management

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.

Emergency Management Directors

Planning and directing CBRN operations, vulnerability assessments, decontamination, and consequence management transfers directly to emergency preparedness and response coordination.

How to prepare: Build a civilian hazardous-release tabletop exercise package that identifies local response partners, resource needs, and response coordination procedures.

What the civilian work involves

Develop and maintain liaisons with municipalities, county departments, and similar entities to facilitate plan development, response effort coordination, and exchanges of personnel and equipment.
Coordinate disaster response or crisis management activities, such as ordering evacuations, opening public shelters, and implementing special needs plans and programs.
Maintain and update all resource materials associated with emergency preparedness plans.

Civilian tools and software (examples)

Alert Technologies OpsCenter
ESRI ArcGIS software

Training & Development

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

Career Growth

Certified Hazardous Materials Manager (CHMM) · Funded
Support specialization in hazardous-materials emergency preparedness and response within emergency management.
Eligibility and preparation: An accredited baccalaureate degree or higher and at least four years of relevant hazardous-materials management or related experience are required before taking the exam; qualifying experience can include hazmat emergency preparation and response.
For: Emergency Management Directors

Notes & Sources

Evidence for this guidance (3 documents)

Army COOL MOC feed: 74A Chemical, Biological, Radiological, and Nuclear (CBRN)
[1] data/authority/army-codes.json entry 74A (OSD COOL feed, fetched 2026-07-25); DB rank officer, authority codeType officer
Supports: CBRN vulnerability assessment and protection planning, Sensitive site exploitation and assessment planning, Multi-spectral obscuration operations planning, Weapons of mass destruction consequence management, Emergency Management Directors (O*NET 11-9161.00)
O*NET: Emergency Management Directors
[2] O*NET 30.3 occupational data
Supports: Emergency Management Directors (O*NET 11-9161.00)
COOL credential mapping: Certified Hazardous Materials Manager (CHMM)
[3] 74A cached COOL credential feed
Supports: Certified Hazardous Materials Manager (CHMM)
[4]IHMM: Certified Hazardous Materials Manager eligibility · Eligibility Requirements, Prerequisites and Relevant Experience; retrieved 2026-09-23
Supports: Certified Hazardous Materials Manager (CHMM)

Defense contractor jobs for 74A

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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