Detect and identify chemical, biological, radiological, and nuclear hazards. Operate decontamination equipment.
ASVAB ST: 100
Catalog listing, not a contract offer. Confirm with a recruiter.
CBRN Specialists prepare units to operate in chemical, biological, radiological, and nuclear environments. Work involves maintaining detection and decontamination equipment, running training, and conducting readiness inspections. You instruct the unit on protective equipment, mask fitting, and decontamination procedures. Field exercises include operating detection systems and running decontamination lines. Much of the job is preventive, ensuring equipment and people are ready before anything happens.
You learn hazard detection, identification, sampling, and decontamination procedures to a technical standard. Respiratory protection, protective equipment fitting, and exposure control are core competencies. The job teaches hazardous materials handling and the regulatory framework around it. You gain instructional skills, since much of the role is training others. Equipment maintenance and calibration are ongoing responsibilities.
The job builds procedural discipline, because shortcuts in hazard response are dangerous. You develop teaching ability, as explaining protective measures clearly is most of the work. It teaches calm risk assessment rather than either panic or complacency. CBRN Specialists tend to become thorough people who prepare for problems before they arrive. You also gain comfort operating in restrictive protective equipment.
Industrial safety, environmental health, and hazardous materials response are direct civilian parallels with solid pay. Fire departments value hazmat-qualified candidates and many veterans enter fire service through that door. Environmental remediation firms, chemical plants, and nuclear facilities recruit for the detection and decontamination background. Federal agencies with emergency response or regulatory missions hire from this population. Occupational safety certifications are achievable and open industrial safety manager roles.
Published personal accounts with source links. Each describes an individual experience, not a typical assignment or a guarantee of your own experience.
“The reason I joined the Army was to gain some discipline and to become a better person.”
“I also want to get a degree and I knew the Army could help me through that process.”
“Because I would like to be the expert in my craft/MOS and I try to always strive to be the best. In five years, I see myself as a warrant officer with a degree and hopefully working on a master’s.”
Quotes are from U.S. government public-domain news stories (DVIDS, army.mil and other official sources). Individuals and units are named as reported at time of publication.
Your morning opens by drawing detection kits, protective masks, and decon equipment for the day's training or mission. You spend your time surveying areas with chemical and radiation detectors, identifying hazards, and rehearsing the drills to decontaminate soldiers and vehicles. When a CBRN threat is real, you're the one confirming what's in the air and running the decon lines that let the unit keep fighting.
Related career-field video—not specific to Army 74D.
No suitable exact-MOS video was verified in the recorded search. This does not establish that none exists.
Related field: military radiology. Source occupation: Army 68P.
Follow U.S. Army Specialist Stanley Jacamo, a radiology specialist assigned to the 32nd Hospital Center. Let him show and tell what he does to better care for patients and the soldiers assigned to Combined Joint Task Force - Operation Inherent Resolve and Erbil Air Base in Erbil, Iraq.
Official publisher description and direct video page checked; playback not independently watched. Checked 2026-10-25. This assignment may not reflect every posting in this career.
$43,902–$74,948
2026 basic pay only; the same grade and service time pay the same across jobs. Promotions are assumed, not promised. Excludes allowances, bonuses and special pays.
Possibilities for serving Soldiers, including those in support roles—not guaranteed admission or awards. Individual eligibility, assignment, selection, available training or competition places and successful qualification apply.
Earned by successfully completing Ranger School's demanding leadership and field training.
Not restricted to combat MOSs. Requires selection, a school slot and current course prerequisites. The tab does not mean assignment to the 75th Ranger Regiment.
Recognizes successful airborne qualification, including the required training jumps.
Support specialties can attend too; the Army explicitly gives human resources and wheeled-vehicle mechanics as examples. Requires a school slot and medical, physical and course qualification.
Earned through Air Assault School, covering helicopter operations, sling loads and rappelling.
Available across job specialties, not just combat roles, subject to unit nomination, available seats and current school requirements.
A waiver-dependent opportunity outside engineering; earned by successfully completing the Sapper Leader Course.
Conditional opportunity: Soldiers outside engineering must submit a waiver to attend. Approval is not guaranteed; all other course requirements still apply.
Recognizes tested Soldier proficiency in specialties outside the infantry, Special Forces and medical expert-badge tracks.
A skills-based distinction for support and other eligible MOSs. Current proponent requirements and successful testing apply; holding this MOS does not award the badge.
Sources reviewed . Confirm current course and badge requirements with official school guidance and your unit.
For Army 74D Chemical, Biological, Radiological, Nuclear (CBRN) Specialist, official service-wide guidance and any exact feeder-list matches are distinguished below from unverified specialty-specific requirements. Ranks are not separate jobs, and these possibilities are not guaranteed promotions or available contracts.
Examples of higher service ranks
These are service-wide rank names, not a verified promotion ladder for this specialty. Examples are not exhaustive; appointments sharing a pay grade are not additional promotion steps.
Official military rank referenceThe Army distinguishes enlisted, warrant officer, and commissioned officer ranks. These are separate career tracks; a warrant appointment is not the next enlisted promotion. The Army rank chart does not establish a maximum rank for this specialty.
Army rank structureThe official Army feeder list explicitly names this MOS for the options below. Only the feeder-list match is confirmed—not all prerequisites, current component availability, or individual eligibility.
Published feeder conditions: 74D,89D, USMC (Job Code: 5769, 5711)
Specialty-specific advancement, senior assignments, and eligibility for a different personnel category have not been verified for this listing. No feeder eligibility or automatic transition to another specialty is implied.
Advancement depends on current service rules, performance, required education, qualifications, selection, and authorized positions—not simply years served. Confirm current requirements with an official recruiter or career counselor.
Related military jobs below are for exploration, not promised progression or confirmed transfer paths.
Sources reviewed 2026-10-03. This is a partial evidence review, not verification of every advancement route for this specialty. Source retrieval dates do not replace policy effective dates.
Career-field mappings, not automatic qualifications. Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2024 national medians). O*NET links explain each occupation; military experience does not guarantee a job or salary.
Detect and identify chemical, biological, radiological, and nuclear hazards. Operate decontamination equipment.
CBRN Specialists prepare units to operate in chemical, biological, radiological, and nuclear environments. Work involves maintaining detection and decontamination equipment, running training, and conducting readiness inspections. You instruct the unit on protective equipment, mask fitting, and decontamination procedures. Field exercises include operating detection systems and running decontamination lines. Much of the job is preventive, ensuring equipment and people are ready before anything happens.
You learn hazard detection, identification, sampling, and decontamination procedures to a technical standard. Respiratory protection, protective equipment fitting, and exposure control are core competencies. The job teaches hazardous materials handling and the regulatory framework around it. You gain instructional skills, since much of the role is training others. Equipment maintenance and calibration are ongoing responsibilities.
Industrial safety, environmental health, and hazardous materials response are direct civilian parallels with solid pay. Fire departments value hazmat-qualified candidates and many veterans enter fire service through that door. Environmental remediation firms, chemical plants, and nuclear facilities recruit for the detection and decontamination background. Federal agencies with emergency response or regulatory missions hire from this population. Occupational safety certifications are achievable and open industrial safety manager roles.
ASVAB ST: 100. This is the catalog's listed requirement, not an individual eligibility decision. Confirm the current standard and any exceptions with the service.
This specialty can be pursued through an initial enlistment, subject to eligibility and available contracts. Confirm the current status of this specific classification with an official recruiter.
Catalog sources consulted: 2026-09-26. This is not an entry-by-entry verification date. No record-specific verification date is recorded. Occupation audit evidence reviewed: 2026-09-26; this does not re-verify every requirement.
Confirmed in DA PAM 611-21 Smartbook, November 2025, historical end-of-FY2025 snapshot (https://api.army.mil/e2/c/downloads/2025/12/04/7573670f/chapter-10-enlisted-base-chapter.pdf). The Army maintains a newer restricted version; it was not sought or accessed. Checked 2026-09-27. Confirmation means documented appearance, not present-day accession availability.
Official branch occupation evidence
Occupation identified. This occupation was identified in the cited source. This does not verify requirements, benefits, or a current opening.
Army G-1 DA Pam 611-21, chapter 10C: enlisted MOS specifications (historical public consolidation, December 2025) · reviewed 2026-09-26
Confirmed. Catalog evidence is not an inventory of open contracts.
No dated public inventory confirmed a currently open recruiting contract for this role. This does not mean there are no openings. Confirm current eligibility and offers with an official recruiter.
Advertised — Army, as of 2026-09-28Deployment likelihood: Moderate*
* Estimated. Rank progression and specialty-pay eligibility are illustrative assumptions. Deployment likelihood, when shown, is inferred from similar specialties in the branch and career field, not a published specialty deployment rate.
Descriptions may change. No military role is free from risk of injury or death, including non-combat work. Catalog review dates do not establish current openings or re-verification of every requirement.
Recruiting signals reflect what each branch published on the dates shown. They are not offers, and they do not mean a contract is open for you. Eligibility depends on your ASVAB scores, medical qualification, security clearance eligibility, and ship date. Confirm everything with an official recruiter. See our Disclaimer and Terms.