2 formula options listed.
Navy rating guide
MMA/MMS Machinist's Mate Submarine ASVAB score requirements
Score target and study focus for Navy MMA/MMS.
MMA/MMS
Navy rating score brief
Machinist's Mate Submarine
ASVAB score targetVE+AR+MK+EI 207+ or 1 more
Maintains submarine mechanical, auxiliary, and propulsion-support systems.
Good fit if you want a technical path with strict procedures and a strong systems mindset.
Power generation, electronics, mechanical systems, nuclear operations, logistics, and submarine support roles.
Study first
Focus these areas
Word KnowledgeParagraph ComprehensionArithmetic ReasoningMath KnowledgeElectronics InformationGeneral ScienceMechanical Comprehension
- Start with word knowledge, paragraph comprehension, arithmetic reasoning, math 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 submarine, nuclear, electronics, logistics, or technical systems in a highly procedural environment.
- Work with exact standards, watchstanding, technical manuals, and close team coordination.
MMA/MMS Navy rating FAQ
Common Machinist's Mate Submarine ASVAB questions
What ASVAB score do you need for Navy MMA/MMS Machinist's Mate Submarine?
VE+AR+MK+EI 207+ or AR+GS+MC+EI 207+ 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 MMA/MMS Machinist's Mate Submarine do?
Maintains submarine mechanical, auxiliary, and propulsion-support systems.
Which ASVAB sections should I study for MMA/MMS?
Start with the subjects behind the listed formula options: Word Knowledge, Paragraph Comprehension, Arithmetic Reasoning, Math Knowledge, Electronics Information, General Science, Mechanical Comprehension. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is MMA/MMS 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: VE+AR+MK+EI 207+ or AR+GS+MC+EI 207+. 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.