Watch MM first.
Marine Corps MOS guide
1171 Water Support Technician ASVAB score requirements
Score target and study focus for Marine Corps 1171.
1171
Marine Corps MOS score brief
Water Support Technician
ASVAB line score targetMM 95+
Supports construction, utilities, engineer equipment, combat engineering, fuels, water, or CBRN defense. This MOS is in the Utilities field; use the guide to connect its score target with the right ASVAB subjects.
Water Support Technician can fit students who want a Marine Corps role in utilities and are ready to verify current contract options with a recruiter.
Technical, operations, logistics, security, aviation, public-service, or administrative paths depending on the MOS field.
Study first
Focus these areas
- Build arithmetic reasoning, mechanical comprehension, auto information, shop information before comparing this MOS against your score report.
- Keep AFQT inputs stable while you raise the Marine Corps line-score areas tied to this role.
Daily work
What you may do
- Work on water support technician duties in the Marine Corps utilities field.
- Follow unit procedures, equipment standards, reporting routines, and mission-readiness checks tied to the MOS.
1171 Marine Corps MOS FAQ
Common Water Support Technician ASVAB questions
What ASVAB score do you need for Marine Corps 1171 Water Support Technician?
MM 95+ is the planning target shown on this MeritMarch guide. Treat it as study guidance, not a contract promise, because Marine Corps MOS access, openings, waivers, medical qualification, and recruiter guidance can change.
What does a Marine Corps 1171 Water Support Technician do?
Supports construction, utilities, engineer equipment, combat engineering, fuels, water, or CBRN defense. This MOS is in the Utilities field; use the guide to connect its score target with the right ASVAB subjects.
Which ASVAB sections should I study for 1171?
Start with the subjects behind MM 95+: Arithmetic Reasoning, Mechanical Comprehension, Auto Information, Shop Information, Electronics Information. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is 1171 guaranteed if I meet the score target?
No. ASVAB line scores are only part of Marine Corps MOS access. Current openings, contract options, medical standards, citizenship, security screening, waivers, and Marine Corps needs can all affect availability.
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Sources and official confirmation
Line-score target shown on this page: MM 95+. Current Marine Corps MOS access still depends on official policy, openings, medical qualification, background screening, waivers, citizenship, and recruiter guidance.
Sources reviewed May 9, 2026: Marines MOS fields, Marine Corps FY26 MOS Manual NAVMC 1200.1L, Marines general requirements, Operation Military Kids Marine Corps MOS ASVAB table.