2 formula options listed.
Navy rating guide
STS Sonar Technician Submarine ASVAB score requirements
Score target and study focus for Navy STS.
STS
Navy rating score brief
Sonar Technician Submarine
ASVAB score targetAR+MK+EI+GS 218+ or 1 more
Operates and maintains submarine sonar systems for undersea detection and tracking.
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
Arithmetic ReasoningMath KnowledgeElectronics InformationGeneral ScienceWord KnowledgeParagraph ComprehensionMechanical Comprehension
- Start with arithmetic reasoning, math knowledge, electronics information, general science; 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.
STS Navy rating FAQ
Common Sonar Technician Submarine ASVAB questions
What ASVAB score do you need for Navy STS Sonar Technician Submarine?
AR+MK+EI+GS 218+ or VE+AR+MK+MC 218+ 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 STS Sonar Technician Submarine do?
Operates and maintains submarine sonar systems for undersea detection and tracking.
Which ASVAB sections should I study for STS?
Start with the subjects behind the listed formula options: Arithmetic Reasoning, Math Knowledge, Electronics Information, General Science, Word Knowledge, Paragraph Comprehension, Mechanical Comprehension. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is STS 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+GS 218+ or VE+AR+MK+MC 218+. 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.