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MOS COMPARISON

74A vs 13A

Chemical, Biological, Radiological, and Nuclear (CBRN) (USA) vs Field Artillery, General (USA)

Intel

Same DFAC, same 0630 formation, same NCO who's been "about to retire" for six years — completely different jobs behind the camo.

The 74A experience, condensed: the Chemical Corps branch culture is proud of its technical expertise and slightly resigned to the fact that in peacetime the CBRN mission gets resourced and prioritized last. The 13A experience, condensed: your first years will involve learning the fire direction process deeply enough to supervise it — AFATDS, AFATDS troubleshooting, AFATDS freezing at the worst moment. When both hit the job market: the 74A discovers that a career where the work matters enormously and the recognition is inversely proportional to how much it matters. The 13A finds that the civilian market for FA officers is less direct than engineer or medical — project management, leadership development, and operations management are the primary translation lanes. Same DD-214, wildly different job fairs.

74AArmy
Chemical, Biological, Radiological, and Nuclear (CBRN)
Overall ratingNo reviews yet
Do It Again
Civilian Pay
$81K
13AArmy
Field Artillery, General
Overall ratingNo reviews yet
Do It Again
Civilian Pay
$72K
Head to Head
74A
13A
Getting In
ASVAB Line Scores
NOTE Officers qualify via commissioning source (OCS/ROTC/USMA), not ASVAB line scores
NOTE Officers qualify via commissioning source (OCS/ROTC/USMA), not ASVAB line scores
Clearance
Secret
Pay Grade
Officer
Officer
Training
Training Length
16 wk
18 wk
Pipeline Type
Basic Officer Leader Course (BOLC)
OCS, ROTC, or USMA
Training Location
Fort Leonard Wood, MO
Fort Sill, OK
Day-to-Day
Promotion Speed
Average
Deployment Tempo
Moderate
Career Field
Chemical Corps
Field Artillery
After You Get Out
Civilian Median Pay
$81K
$72K
Top Civilian Career
Occupational Health and Safety Specialists
Police and Sheriff's Patrol Officers
Credentials Earned
4 certs

After the Uniform

The part the recruiter skips: what each job actually translates to once you're a civilian — and what it pays.

74AChemical, Biological, Radiological, and Nuclear (CBRN)
Civilian Median Pay
$81K/yr
What It Becomes on the Outside
Occupational Health and Safety SpecialistsStrong
Job market: Average (5%)
$81K
Emergency Management DirectorsStrong
Environmental Scientists and SpecialistsRelated
Job market: Faster than average (7%)
$81K
Occupational Health and Safety SpecialistsRelated
Job market: Average (5%)
$81K
13AField Artillery, General
Civilian Median Pay
$72K/yr
What It Becomes on the Outside
Police and Sheriff's Patrol OfficersStrong
Job market: Faster than average (5%)
$72K
Training and Development SpecialistsRelated
Job market: Faster than average (8%)
$63K
Operations Research AnalystsRelated
Job market: Much faster than average (23%)
$84K
Credentials You Walk Away With
Joint Fires Observer (JFO)Various fires-related certificationsRanger Tab (common)Airborne

Salary data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics program. A guide, not a guarantee.

Recruiter vs. Reality

The pitch versus what people who actually did the job report back.

74AChemical, Biological, Radiological, and Nuclear (CBRN)
What the Recruiter Says

Lead Army Chemical Corps units in CBRN defense and offensive chemical operations. Protect the force from chemical, biological, radiological, and nuclear threats.

What It's Actually Like

Chemical Corps officers protect the force from the threats that the Army most hopes it will never face — CBRN warfare in its various forms — which means you spend most of your career training for scenarios that have not occurred while maintaining readiness for scenarios where the consequence of failure is mass casualties. The Chemical Corps branch culture is proud of its technical expertise and slightly resigned to the fact that in peacetime the CBRN mission gets resourced and prioritized last. CBRN staff officer work involves consequence management planning, contamination avoidance, and the technical advising of commanders who understand the threat intellectually but not technically. The science-heavy background that Chemical Officers often bring translates well to civilian roles in hazardous materials management, environmental consulting, and the chemical industry. The DoD CWMD (Countering Weapons of Mass Destruction) community offers post-Army roles with the technical background you've built. A career where the work matters enormously and the recognition is inversely proportional to how much it matters.

13AField Artillery, General
What the Recruiter Says

Command the Army's most powerful indirect fire systems. Field Artillery officers deliver fires that shape the battlefield from distance, with technical precision and tactical impact.

What It's Actually Like

Field Artillery officers live in a world of GRIDs, call for fire, fire missions, and the continuous tension between fires integration and maneuver deconfliction. Your first years will involve learning the fire direction process deeply enough to supervise it — AFATDS, AFATDS troubleshooting, AFATDS freezing at the worst moment. Battery command is genuinely the best part of the FA career for most officers — you own a capability that maneuver commanders actually need and your soldiers are doing skilled, demanding technical work. The staff years as a fires officer involve writing OPORD fire support annexes and sitting in targeting meetings. The FA branch has watched the rocket artillery renaissance with satisfaction as HIMARS became the most consequential ground system in Ukraine. The civilian market for FA officers is less direct than engineer or medical — project management, leadership development, and operations management are the primary translation lanes.

The Real Life

Same dimensions, side by side. 74A on the left, 13A on the right.

Daily Life
74A

13A

Leading fire direction operations, planning fires in support of maneuver commanders, and coordinating all indirect fire assets. As a platoon leader: responsible for a firing battery. As a fire support officer (FSO): embedded with a maneuver battalion coordinating fires. The job is intellectually demanding — translating a commander's intent into effective fire plans.

Training / School
74A

13A

Field Artillery Basic Officer Leader Course (FABOLC) at Fort Sill (OK) is about 18 weeks. Covers gunnery, fire support planning, targeting methodology, and digital fire control systems. The math and technology behind modern fire support are more sophisticated than most people realize.

Physical Demands
74A

13A

High. Field artillery officers are combat arms and expected to maintain high physical fitness. Field exercises involve extended time in tactical command posts and fire direction centers.

Where You'll Be Stationed
74A
13A
Fort Sill (OK)Fort Cavazos (TX)Fort Liberty (NC)Fort Campbell (KY)Fort Drum (NY)
The Honest Truth
74A

13A

Field artillery officer is a branch that operates in the shadow of infantry and armor but provides some of the most lethal capabilities on the battlefield. What the recruiter won't tell you: field artillery is a branch that many officers don't choose first but end up loving. The technical challenge of coordinating fires — multiple weapon systems, joint assets, timing, and effects — is genuinely intellectually stimulating. The downside: garrison artillery can feel like an endless cycle of gunnery certifications and maintenance, and the branch has an identity crisis in an era where close air support and precision munitions compete with traditional artillery. The fire support officer role (embedded with infantry or armor) is where most FA officers find the most fulfillment. The civilian translation requires work — "I coordinated lethal fires" doesn't land in a job interview. Translate it to planning, coordination, and decision-making under time pressure.

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