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USMC0842

Field Artillery Radar Operator

Operates and maintains counter-battery radar systems to detect and locate enemy indirect fire weapons. Provides targeting data to friendly artillery units.

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Recruiter vs. Reality
What they tell you

“You'll operate the AN/TPQ-46 Firefinder radar — the system that watches incoming rounds arc through the sky and works backwards to find the gun that fired them. Counter-battery radar is one of the most technically demanding jobs in Marine artillery, and the data you generate drives fire missions that silence enemy indirect fire. Marines who master this have a skill that doesn't exist anywhere else in the world.”

What it's actually like

You will become best friends with a radar van that is temperamental in good weather and genuinely hostile in the field. The concept is legitimately satisfying — detect an incoming round, compute where it came from, radio that grid to the gun line, and watch counter-battery fires solve the problem. In practice, you spend a significant portion of your career doing system checks, calibrations, and maintenance on equipment that requires constant attention. You'll live with the artillery battery, which means you share their schedule: gun missions at 0200, field operations in mud, the full artillery experience without getting to pull a lanyard. The technical troubleshooting skills are real and transfer to radar maintenance and electronic systems careers on the outside, but it takes some deliberate resume translation to make that clear to civilian employers.

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MOS Intel

ClearanceSecret
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PromotionAverage
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Deploy TempoModerate
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BonusUp to $15,000
Career Intel
Duty StationsCamp Pendleton (CA) · Camp Lejeune (NC) · 29 Palms (CA) · MCB Hawaii
Daily LifeOperating and maintaining counter-battery radar systems (AN/TPQ-36 and AN/TPQ-37), tracking incoming fire, computing enemy firing positions, and providing target data to fire direction centers. The work is technical and requires attention to detail. Garrison time includes equipment maintenance, calibration, and training exercises.
AIT / SchoolThe Field Artillery Radar Operator Course at Fort Sill (OK) covers radar theory, operation, and maintenance. About 12 weeks and heavily technical — electronics, signal processing, and fire support coordination. Fort Sill is isolated but the training is solid. You'll be with Army students in the same pipeline.
Physical DemandsModerate to high. Operating radar systems involves physical setup and breakdown in field conditions, plus standard Marine Corps physical requirements. The equipment is heavy and must be emplaced and displaced rapidly.
DeploymentsDeploys with artillery battalions on MEU rotations and training exercises; provides counter-battery radar support
Certifications
Radar operator qualificationFire support coordinationElectronics maintenance certifications
Pro Tips
  1. 1The radar and electronics skills translate directly to civilian careers in air traffic control, weather radar, and defense electronics. Start building that resume early.
  2. 2Learn the fire support coordination side, not just the radar operation. Understanding how your data feeds into the kill chain makes you more valuable.
  3. 3Push for assignments that expose you to newer radar systems — the Marine Corps is upgrading its counter-fire capabilities.
The Honest Truth

The 0842 is one of the more technical MOSs in the artillery field and most recruiters couldn't explain it if they tried. You operate radar systems that detect incoming fire and calculate where it came from — essentially telling the cannoneers where to shoot back. The work is genuinely interesting if you like electronics and applied math. The downside: it's a small community with limited billets, which means promotion can be unpredictable. The civilian translation is actually decent — radar operators, electronics technicians, and systems operators are in demand in defense, aviation, and weather services. Just don't expect anyone outside the military to know what a counter-battery radar is.

Training Pipeline
1
Recruit Training13w
Parris Island (SC) or MCRD San Diego (CA)
2
MCT4w
Camp Geiger (NC)
3
Field Artillery Scout Observer Course12w
Fort Sill (OK)
FiST integration, JTAC qualification pathway, fire support coordination.
On the Outside

What this actually is in the real world

Your skills translate. Here's what civilian employers call this job.

Engineering Technologists and Technicians, Outside of Drafters

Strong match
Salary data coming soon
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