Coast Guard rating guide

MST Marine Science Technician ASVAB score requirements

Score target and study focus for Coast Guard MST.

MST
Coast Guard rating score brief

Marine Science Technician

ASVAB score targetScore 115+ and MK 58+

Inspects vessels and facilities and responds to pollution incidents.

ScoreScore 115+ and MK 58+

Use this as a planning target; confirm the exact current formula before making it your goal.

FitLaw Enforcement & Environment

Marine Science Technician can fit students who want Coast Guard work in law enforcement & environment and are ready to verify current rating availability with a recruiter.

TransferCivilian path

Law enforcement, maritime safety, environmental compliance, inspection, or emergency-response paths.

Study first

Focus these areas

  • Build general science, math knowledge, word knowledge, paragraph comprehension before comparing this rating against your score report.
  • Use the public score target as a planning number, then confirm the current formula and openings with a Coast Guard recruiter.
Daily work

What you may do

  • Inspect vessels and facilities and respond to pollution or safety incidents.
  • Follow Coast Guard procedures, watch routines, equipment checks, reports, and training standards tied to MST.
MST Coast Guard rating FAQ

Common Marine Science Technician ASVAB questions

What ASVAB score do you need for Coast Guard MST Marine Science Technician?
Score 115+ and MK 58+ is the planning target shown on this MeritMarch guide. Treat it as study guidance, not a contract promise, because Coast Guard rating access, openings, waivers, medical qualification, and recruiter guidance can change.
What does a Coast Guard MST Marine Science Technician do?
Inspects vessels and facilities and responds to pollution incidents.
Which ASVAB sections should I study for MST?
Start with the subjects most connected to this rating: General Science, Math Knowledge, 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 MST guaranteed if I meet the score target?
No. ASVAB scores are only part of Coast Guard rating access. Current openings, medical standards, citizenship, security screening, waivers, and Coast Guard needs can all affect whether a rating is available.
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Sources and official confirmation

Source checked May 9, 2026: GoCoastGuard MST career page. Public ASVAB score targets are planning context and still need Coast Guard recruiter confirmation before enlistment decisions.

Score target shown on this page: Score 115+ and MK 58+. It is public planning context reviewed alongside current GoCoastGuard ratings; current access still depends on official policy, openings, medical qualification, background screening, waivers, citizenship, and recruiter guidance.

More context reviewed May 9, 2026: GoCoastGuard enlisted careers, GoCoastGuard eligibility requirements, Operation Military Kids Coast Guard ASVAB score table.