Watch GT first.
Army MOS guide
31D Criminal Investigation Special Agent ASVAB score requirements
Score target and study focus for Army 31D.
31D
Army MOS score brief
Criminal Investigation Special Agent
ASVAB line score targetGT 110+
Conducts criminal investigations, interviews, evidence coordination, reporting, and liaison work for Army law-enforcement cases.
Good fit if you want law-enforcement or security work with rules, communication, judgment, and accountability.
Law enforcement, corrections, investigations, security operations, protective services, and public safety.
Study first
Focus these areas
- Build toward GT 110+ with ST or GT practice, depending on the MOS target.
- Practice policy-style reading, scenario questions, vocabulary, and arithmetic setup.
Daily work
What you may do
- Perform criminal investigation special agent duties tied to security, investigations, custody, patrol, reporting, or force protection.
- Work with people and procedures in situations that require judgment and clear communication.
31D Army MOS FAQ
Common Criminal Investigation Special Agent ASVAB questions
What ASVAB score do you need for 31D Criminal Investigation Special Agent?
GT 110+ 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 31D Criminal Investigation Special Agent do?
Conducts criminal investigations, interviews, evidence coordination, reporting, and liaison work for Army law-enforcement cases.
Which ASVAB sections should I study for 31D?
Start with the score areas tied to GT 110+: 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 31D 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 31D score target?
This page uses GT 110+ from Army enlisted MOS specifications, Chapter 10C, 10-31D, 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, 10-31D. 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.