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Army MOS guide
13R Field Artillery Firefinder Radar Operator ASVAB score requirements
Score target and study focus for Army 13R.
13R
Army MOS score brief
Field Artillery Firefinder Radar Operator
ASVAB line score targetGT 87+
Operates weapons-locating radar systems that help detect, classify, and report artillery, rocket, or mortar activity.
Good fit if you want field work that combines equipment, procedures, communication, timing, and team discipline.
Operations coordination, emergency communications, logistics support, safety, and leadership experience.
Study first
Focus these areas
- Build toward GT 87+ with arithmetic reasoning and verbal-expression accuracy.
- Practice reading instructions, extracting details, and solving setup-heavy word problems.
Daily work
What you may do
- Train on field artillery firefinder radar operator duties tied to field artillery systems, data, safety checks, and mission timing.
- Use communication, equipment procedures, maps, fire-support information, or technical systems to support the unit.
13R Army MOS FAQ
Common Field Artillery Firefinder Radar Operator ASVAB questions
What ASVAB score do you need for 13R Field Artillery Firefinder Radar Operator?
GT 87+ is the source-backed planning target shown on this MeritMarch guide. Treat it as study guidance, not an enlistment promise, because Army requirements, openings, waivers, medical qualification, and recruiter guidance can change.
What does a 13R Field Artillery Firefinder Radar Operator do?
Operates weapons-locating radar systems that help detect, classify, and report artillery, rocket, or mortar activity.
Which ASVAB sections should I study for 13R?
Start with the score areas tied to GT 87+: Arithmetic Reasoning, Word Knowledge, Paragraph Comprehension. If your AFQT is not stable yet, also keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan.
Is 13R guaranteed if I meet the score target?
No. ASVAB scores are only part of Army job access. Current openings, contract options, background checks, medical standards, citizenship rules, waivers, and Army needs all affect whether a MOS is available.
Where did MeritMarch get the 13R score target?
This page uses GT 87+ from Army enlisted MOS specifications, Chapter 10C, 10-13R, reviewed April 30, 2026. It is still shown as planning guidance because official requirements and openings can change.
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Sources and official confirmation
Source checked April 30, 2026: Army enlisted MOS specifications, Chapter 10C, 10-13R. Current Army job access still depends on Army policy, openings, medical qualification, background screening, waivers, and recruiter guidance.
More context reviewed April 30, 2026: GoArmy ASVAB entrance test, Official ASVAB military-jobs composites, Army enlisted MOS specifications, Chapter 10C, MeritMarch Army jobs based on ASVAB scores guide.