2 formula options listed.
Navy rating guide
GSM Gas Turbine Systems Technician Mechanical ASVAB score requirements
Score target and study focus for Navy GSM.
GSM
Navy rating score brief
Gas Turbine Systems Technician Mechanical
ASVAB score targetVE+AR+MK+AS 200+ or 1 more
Maintains gas-turbine engines, propulsion machinery, and mechanical systems.
Good fit if you like diagnosing systems, using tools, and building mechanical or electrical skill.
Mechanical maintenance, electrical systems, industrial repair, controls, manufacturing, and technician roles.
Study first
Focus these areas
Word KnowledgeParagraph ComprehensionArithmetic ReasoningMath KnowledgeAuto InformationShop InformationAssembling Objects
- 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
- Maintain, troubleshoot, or repair shipboard mechanical, electrical, electronic, or control systems.
- Use technical manuals, safety checks, tools, and team coordination to keep equipment ready.
GSM Navy rating FAQ
Common Gas Turbine Systems Technician Mechanical ASVAB questions
What ASVAB score do you need for Navy GSM Gas Turbine Systems Technician Mechanical?
VE+AR+MK+AS 200+ or VE+AR+MK+AO 205+ 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 GSM Gas Turbine Systems Technician Mechanical do?
Maintains gas-turbine engines, propulsion machinery, and mechanical systems.
Which ASVAB sections should I study for GSM?
Start with the subjects behind the listed formula options: Word Knowledge, Paragraph Comprehension, Arithmetic Reasoning, Math Knowledge, Auto Information, Shop Information, Assembling Objects. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is GSM 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+AS 200+ or VE+AR+MK+AO 205+. 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.