0111 vs 1371
Administrative Specialist (USMC) vs Combat Engineer (USMC)
Same haircut, same intensity, same institutional pride — completely different answers when a civilian asks "so what do you actually do?"
The honest version of the 0111 brochure would include this line: nobody respects admin until something they care about requires admin to fix it — then you are briefly the most important person in the building. The honest 1371 brochure would feature: the demolitions training is genuinely fun, and breaching operations are what you trained for. Neither of these were in the actual brochure. The actual brochure had a stock photo of someone looking purposeful. Same military. Same rank structure. Same level of confusion when either tries to explain their job at Thanksgiving.
After the Uniform
The part the recruiter skips: what each job actually translates to once you're a civilian — and what it pays.
Salary data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics program. A guide, not a guarantee.
Recruiter vs. Reality
The pitch versus what people who actually did the job report back.
“Admin Marines keep the entire personnel system running — pay, records, unit diaries, correspondence, everything that makes a Marine Corps unit function as an organization rather than just a group of people with guns. The organizational and records management skills translate directly to office administration, HR, and government service careers, and the hours are significantly more predictable than the infantry.”
You will become intimately familiar with MOL, MCTFS, unit diaries, and the specific formatting requirements of every administrative document the Marine Corps has ever invented. You are the person everyone comes to when their pay is wrong, their leave was rejected, or their award package disappeared into the administrative void. Nobody respects admin until something they care about requires admin to fix it — then you are briefly the most important person in the building. The work is repetitive, detail-intensive, and chronically thankless, but the hours are genuinely better than most MOSs and you will never hump a mortar baseplate up a mountain. The civilian translation is strong for office management, HR assistant, and government administrative positions. If you can navigate the Marine Corps personnel system without losing your mind, corporate HR will feel like a vacation.
“Combat engineers are the Swiss Army knife of the Marine Corps — you'll blow things up, build things up, and clear the way for infantry to maneuver. Demolitions, mine warfare, construction — it's the most versatile MOS in the 13 field. Plus the civilian construction and engineering skills are immediately transferable.”
You will dig fighting positions, fill sandbags, and do a LOT of manual labor that nobody else wants to do. The demolitions training is genuinely fun, and breaching operations are what you trained for. But most of your time is spent on working parties, construction projects, and being the unit's manual labor force because "engineers can build stuff." The skills are real — welding, electrical, carpentry, heavy equipment — and the civilian trades pay well. Just know that "combat" engineer means you're infantry-adjacent, not infantry-lite.
The Real Life
Same dimensions, side by side. 0111 on the left, 1371 on the right.
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Demolitions, obstacle construction and reduction, route clearance, mine warfare, and construction projects. Combat engineers are the Swiss Army knife of the Marine Corps — you blow things up, build things, and clear routes. Garrison life involves demolition training, construction projects, and infantry-type PT and field exercises.
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The Pioneer Course at Camp Lejeune (NC) covers demolitions, mine warfare, construction, and field fortifications. The training is hands-on and intense — you work with live explosives, build structures, and learn to detect and defeat IEDs. Expect a lot of field time.
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Very high. Combat engineers carry standard infantry loads PLUS demolitions, mine detection equipment, and breaching tools. You do everything the infantry does and add explosives on top.
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Combat engineers are the Marines that infantry units love to have attached. You do the hard, dangerous work that makes maneuver possible: breaching minefields, clearing routes of IEDs, destroying obstacles, and building fighting positions. The recruiter might sell this as "construction" — and you do build things — but the emphasis is on combat. You deploy with infantry units and face the same dangers. The route clearance mission in particular is one of the most hazardous jobs in the military. Civilian translation is solid: demolition, construction management, and defense contracting. VA disability claims for hearing loss, blast exposure, and joint issues are common in this MOS. It's a demanding, respected job with real career potential if you prepare for the transition.
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