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MOS COMPARISON

5939 vs 2841

Aviation Communication Systems Technician (USMC) vs Ground Electronics Transmission Systems Maintainer (USMC)

Intel

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

On one end of the military experience spectrum, 5939: civilian translation is excellent — avionics technicians at airlines start around $60-70K and experienced techs clear $90K+. On the opposite end, 2841: your 'electronics maintenance' is troubleshooting circuit boards with a multimeter and a flashlight in conditions that would make a civilian technician file an OSHA complaint and a lawsuit simultaneously. The spectrum is wider than the career counselor implied. The spectrum is always wider than the career counselor implied. The defense budget contains multitudes. This comparison is proof.

5939Marines
Aviation Communication Systems Technician
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Overall ratingNo reviews yet
Do It Again
—
Civilian Pay
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2841Marines
Ground Electronics Transmission Systems Maintainer
—
Overall ratingNo reviews yet
Do It Again
—
Civilian Pay
$64K
Head to Head
5939
2841
Getting In
ASVAB Line Scores
EL 105
EL 105
Clearance
—
Secret
Pay Grade
Enlisted
Enlisted
Enlistment Bonus
—
Up to $12,000
Training
Training Length
16 wk
14 wk
Pipeline Type
—
Recruit Training
Training Location
NATTC Pensacola, FL
MCCES, Twentynine Palms, CA
Day-to-Day
Promotion Speed
—
Average
Deployment Tempo
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Moderate
Career Field
Electronics Maintenance
Electronics Maintenance
After You Get Out
Civilian Median Pay
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$64K
Top Civilian Career
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Electrical and Electronics Engineering Technologists and Technicians
Credentials Earned
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3 certs

After the Uniform

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

5939Aviation Communication Systems Technician
Civilian outcome data coming soon for 5939.
2841Ground Electronics Transmission Systems Maintainer
Civilian Median Pay
$64K/yr
What It Becomes on the Outside
Electrical and Electronics Engineering Technologists and TechniciansStrong
Job market: Average (2%)
$64K
Radio, Cellular, and Tower Equipment Installers and RepairersStrong
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Electrical EngineersRelated
Job market: Average (9%)
$108K
Network and Computer Systems AdministratorsRelated
Job market: Average (3%)
$95K
Credentials You Walk Away With
Electronics technician qualificationsUSMAP electronics apprenticeshipSoldering certifications (IPC/J-STD)

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.

5939Aviation Communication Systems Technician
What the Recruiter Says

“You'll maintain the communication and navigation systems on Marine Corps aircraft — the radios, satellite links, IFF transponders, and crypto gear that pilots depend on to talk, navigate, and identify friend from foe. Aviation electronics is one of the most technically demanding fields in the Marine Corps, and the skills translate directly to civilian avionics careers with airlines, defense contractors, and the FAA.”

What It's Actually Like

You fix radios in aircraft. That sounds simple until you realize the radio suite in a single Marine helicopter or fighter includes UHF, VHF, HF, SATCOM, IFF, TACAN, and cryptographic systems — each with its own set of technical manuals, test equipment, and failure modes. Training at Pensacola is long and academically demanding. You will learn electronics theory, circuit analysis, and system-specific troubleshooting before you ever touch a real aircraft. In the fleet, your life revolves around the flight schedule. Aircraft need to be up for flights, and if a comm system is down, you are the one staying late to fix it. You will become intimately familiar with technical manuals, multimeters, oscilloscopes, and the art of tracing a fault through wiring diagrams. The work is mostly indoors in hangars and avionics shops, which is a quality-of-life plus. Civilian translation is excellent — avionics technicians at airlines start around $60-70K and experienced techs clear $90K+. Get your FCC General Radiotelephone Operator License and your A&P if you can. Defense contractors like L3Harris, Raytheon, and Northrop Grumman actively recruit military avionics techs.

2841Ground Electronics Transmission Systems Maintainer
What the Recruiter Says

“Ground Radio Repairers are the electronic wizards who keep Marine Corps tactical communications online. You'll master advanced electronics repair, radio frequency theory, and cutting-edge communication systems. This MOS builds a technical foundation for a lucrative career in telecommunications and electronics engineering.”

What It's Actually Like

You are a Ground Radio Repairer, which means you fix the radios that don't work, in the field, in the rain, while someone yells 'COMMS ARE DOWN' as if you didn't already know that. Your 'electronics maintenance' is troubleshooting circuit boards with a multimeter and a flashlight in conditions that would make a civilian technician file an OSHA complaint and a lawsuit simultaneously. You'll develop an intimate relationship with Harris radios, PRC-117s, and the soldering iron that lives in your cargo pocket. When comms are up, you're invisible. When comms are down, you're the only person anyone wants to see. The defense electronics industry pays well for people who can troubleshoot under pressure, and your definition of 'pressure' makes their version look like a spa day.

The Real Life

Same dimensions, side by side. 5939 on the left, 2841 on the right.

Daily Life
5939

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2841

Troubleshooting, repairing, and maintaining ground radio communications equipment (SINCGARS, PRC-117, Harris radios). You work at the electronics maintenance bench diagnosing faults to component level, replacing boards, and testing systems. Field work involves deploying with units to keep their radios operational. Garrison includes maintenance shop operations and training.

Training / School
5939

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2841

The Ground Radio Repair Course at MCCES, 29 Palms (CA) covers electronics fundamentals, radio theory, and hands-on repair of Marine Corps radio systems. The training is technical — you learn soldering, component-level troubleshooting, and test equipment operation. 29 Palms is isolated and hot, but the training is solid.

Physical Demands
5939

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2841

Moderate. Radio repair involves bench work and field troubleshooting. Field exercises require carrying radio equipment and tools, sometimes in austere conditions.

Where You'll Be Stationed
5939
—
2841
Camp Pendleton (CA)Camp Lejeune (NC)29 Palms (CA)MCB HawaiiOkinawa (Japan)
The Honest Truth
5939

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2841

Ground radio repairers are the Marines who keep communications alive when equipment breaks — and military radio equipment breaks constantly. The recruiter will mention "communications" and you might picture something modern. The reality: you'll spend a lot of time with older radio systems and soldering irons, doing component-level repair that feels more like 1990s electronics than modern IT. That said, the troubleshooting skills and electronics fundamentals you learn are timeless and transferable. Civilian telecommunications, electronics manufacturing, and field service engineering all value military-trained technicians. The 29 Palms training location is brutal (middle of the Mojave Desert), but the technical education is legitimate. Stack civilian IT certs alongside your repair skills for maximum post-service marketability.

Recent Reviews

5939
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2841
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