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MOS COMPARISON

7011 vs 0121

Expeditionary Airfield Systems Technician (USMC) vs Personnel Clerk (USMC)

Intel

Two MOS codes that share nothing except a fierce, eternal argument about who's more "Marine." Spoiler: neither will concede.

[Ken Burns pan across a DD Form 4] The 7011, in their own words: the expeditionary airfield mission is genuinely demanding and occasionally dangerous — aircraft arresting systems require precise installation and the consequences of errors are significant. [Slow zoom on a different DD Form 4] The 0121, equally unscripted: service record books have errors dating back to before you were born and it will become your personal mission to correct them all. [Somber fiddle music. The narrator says nothing. Nothing more needs to be said.] Two people can serve in the same military, at the same time, on the same installation, and live in completely parallel dimensions.

7011Marines
Expeditionary Airfield Systems Technician
Overall ratingNo reviews yet
Do It Again
Civilian Pay
$57K
0121Marines
Personnel Clerk
Overall ratingNo reviews yet
Do It Again
Civilian Pay
$68K
Head to Head
7011
0121
Getting In
ASVAB Line Scores
EL 105
CL 90
Pay Grade
Enlisted
Enlisted
Training
Training Length
12 wk
7 wk
Training Location
MCCES, Twentynine Palms, CA
MCB Camp Lejeune, NC
Day-to-Day
Career Field
Airfield Services
Administration
After You Get Out
Civilian Median Pay
$57K
$68K
Top Civilian Career
Airfield Operations Specialists
Human Resources Specialists

After the Uniform

The part the recruiter skips: what each job actually translates to once you're a civilian — and what it pays.

7011Expeditionary Airfield Systems Technician
Civilian Median Pay
$57K/yr
What It Becomes on the Outside
Airfield Operations SpecialistsStrong
Job market: Average (4%)
$57K
Operating Engineers and Other Construction Equipment OperatorsRelated
Job market: Average (4%)
$56K
Civil EngineersRelated
Job market: Average (6%)
$96K
0121Personnel Clerk
Civilian Median Pay
$68K/yr
What It Becomes on the Outside
Human Resources SpecialistsStrong
Job market: Average (6%)
$68K
Training and Development SpecialistsRelated
Job market: Faster than average (8%)
$63K
Management AnalystsRelated
Job market: Faster than average (11%)
$99K

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.

7011Expeditionary Airfield Systems Technician
What the Recruiter Says

You'll set up and operate the systems that turn a field into a functional airfield — lighting arrays, VASI systems, arresting cables, and the full range of expeditionary airfield infrastructure that Marine aviation depends on to operate from places that don't have airports. Expeditionary airfield operations are uniquely Marine Corps and your skills are needed every time the MAGTF operates from austere locations.

What It's Actually Like

You will set up lighting arrays in the dark, in the rain, on ground that was not prepared for airfield operations, with Marines asking you why it isn't done yet before you've finished unloading the equipment. The expeditionary airfield mission is genuinely demanding and occasionally dangerous — aircraft arresting systems require precise installation and the consequences of errors are significant. In garrison, you'll maintain the equipment and train for the next deployment. The civilian airport operations and airfield services industry has roles that are analogous; FAA airfield operations certifications and related credentials add civilian structure to the military experience. Airport operations management is a realistic second career for experienced expeditionary airfield Marines.

0121Personnel Clerk
What the Recruiter Says

You'll be the Marine who keeps everyone's career on track — processing promotions, managing service records, and handling the administrative transactions that define a Marine's career. Every command needs a sharp 0121. The civilian HR pathway is direct and the skills translate immediately to corporate human resources.

What It's Actually Like

You will fix other people's pay problems while your own pay is somehow also wrong. Service record books have errors dating back to before you were born and it will become your personal mission to correct them all. Every Marine in your unit will treat your desk like an emergency room, showing up two days before the deadline for an action that needed a week. The HR and personnel administration skills are genuinely transferable — payroll processing, benefits administration, and records management are civilian jobs that exist everywhere. SHRM certification after separation gives your military personnel experience civilian structure that hiring managers recognize.

Recent Reviews

7011
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0121
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