2 formula options listed.
Navy rating guide
STG-5YO Sonar Technician Surface Five-Year Obligation ASVAB score requirements
Score target and study focus for Navy STG-5YO.
STG-5YO
Navy rating score brief
Sonar Technician Surface Five-Year Obligation
ASVAB score targetAR+MK+EI+GS 223+ or 1 more
Operates and maintains surface-ship sonar systems for undersea detection and tracking.
Good fit if you like operational tempo, technical equipment, and clear mission responsibility.
Operations centers, navigation, weapons systems, sonar, unmanned systems, security, and maritime operations.
Study first
Focus these areas
Arithmetic ReasoningMath KnowledgeElectronics InformationGeneral ScienceWord KnowledgeParagraph ComprehensionAssembling Objects
- 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 tactical displays, weapons, navigation, sonar, robotic systems, or operations teams.
- Use procedures, equipment checks, reporting, and real-time coordination to support missions.
STG-5YO Navy rating FAQ
Common Sonar Technician Surface Five-Year Obligation ASVAB questions
What ASVAB score do you need for Navy STG-5YO Sonar Technician Surface Five-Year Obligation?
AR+MK+EI+GS 223+ or AR+MK+VE+AO 228+ 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 STG-5YO Sonar Technician Surface Five-Year Obligation do?
Operates and maintains surface-ship sonar systems for undersea detection and tracking.
Which ASVAB sections should I study for STG-5YO?
Start with the subjects behind the listed formula options: Arithmetic Reasoning, Math Knowledge, Electronics Information, General Science, Word Knowledge, Paragraph Comprehension, Assembling Objects. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is STG-5YO 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 223+ or AR+MK+VE+AO 228+. 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.