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Field Artillery Firefinder RADAR Operator (13R)

Combat Army MOS Information
  • Enlisted
  • Active Duty
  • Army Reserve
  • Closed to Women

A Firefinder Radar Operator is crucial to the Army’s field artillery radar team. ‘Firefinder’ is the name given to highly specialized machines that detect mortars, planes and other objects by using radio or sound waves to determine their location. The Firefinder Radar Operator uses radar to detect opposing forces and alert units in the Army.

The Firefinder Radar Operator performs the following duties:

  • Operates Firefinder Radar and other systems
  • Constructs fortifications like bunkers and areas for other field artillery
  • Maintains Firefinder Radar with scheduled check-ups


The ability to see colors is a plus in this job because you will need to be able to decipher different objects on a radar display screen.


Job training for Firefinder Radar Operators requires nine weeks of Basic Training, where you learn basic Soldiering skills, and eight weeks of Advanced Individual Training. The training will take place partly in the classroom and partly on Firefinder equipment. Training will typically cover these topics:

  • Operating Firefinder Radar equipment
  • Basic workings of radar and identifying specific objects
  • Field tactics and combat communications strategy
  • Calculating and recording speed, direction and altitude through radar

Helpful Skills:

Helpful attributes include:

  • Interest in working with radar and electronic equipment
  • Good with calculations, geometry and math
  • Ability to concentrate for long periods
  • Good listening skills

Advanced Responsibilities:

Advanced level Firefinder Radar Operators will manage other Soldiers in operating and maintaining the Firefinder systems. They also provide technical guidance to other Soldiers, take part in reconnaissance and select sites for placing the radar systems in the field.

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