One formula option listed.
Navy rating guide
CTM Cryptologic Technician Maintenance ASVAB score requirements
Score target and study focus for Navy CTM.
CTM
Navy rating score brief
Cryptologic Technician Maintenance
ASVAB score targetAR+MK+EI+VE 221+
Maintains cryptologic, electronic, and communications equipment.
Good fit if you want technical or intelligence work and can build disciplined study habits.
Cybersecurity, IT support, intelligence analysis, signals work, communications, and network operations.
Study first
Focus these areas
- Start with arithmetic reasoning, math knowledge, electronics information, word knowledge; those subjects show up directly in the listed Navy formula options.
- Keep AFQT fundamentals steady too: arithmetic reasoning, math knowledge, word knowledge, and paragraph comprehension.
Daily work
What you may do
- Support communications, intelligence, cyber, technical systems, or information operations.
- Use technical tools, reporting habits, and careful analysis to support Navy missions.
CTM Navy rating FAQ
Common Cryptologic Technician Maintenance ASVAB questions
What ASVAB score do you need for Navy CTM Cryptologic Technician Maintenance?
AR+MK+EI+VE 221+ is the planning target shown on this MeritMarch guide. Treat it as study guidance, not a contract promise, because Navy rating access, openings, waivers, medical qualification, and recruiter guidance can change.
What does a Navy CTM Cryptologic Technician Maintenance do?
Maintains cryptologic, electronic, and communications equipment.
Which ASVAB sections should I study for CTM?
Start with the subjects behind the listed formula options: Arithmetic Reasoning, Math Knowledge, Electronics Information, Word Knowledge, Paragraph Comprehension. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is CTM guaranteed if I meet the score target?
No. ASVAB scores are only part of Navy rating access. Current openings, medical standards, citizenship, security screening, education rules, waivers, and Navy needs can all affect whether a rating is available.
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Sources and official confirmation
Formula target shown on this page: AR+MK+EI+VE 221+. Current Navy rating access still depends on Navy policy, openings, medical qualification, background screening, waivers, citizenship, and recruiter guidance.
Sources reviewed May 9, 2026: Navy careers, Official ASVAB military-jobs composites, NavyCS rating ASVAB score table, NavyCS Nuclear Power Test reference.