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Indirect Fire Infantryman (11C)

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

As the main land combat force of the Army, Infantrymen capture or destroy opposing ground forces, repel enemy attacks and operate weapons and equipment in order to engage and eliminate the enemy. During peacetime, it’s the Infantry’s job to be ready to jump to the defense of our country. The Indirect Fire Infantryman specifically supervises or is a member of a mortar squad, section or platoon.

Some of your duties as an Indirect Fire Infantryman may include:

  • Employing crew and individual weapons in offensive, defensive and retrograde ground combat
  • Performing hand-to-hand combat drills that involve martial-arts tactics
  • Employing, firing and recovering anti-personnel and anti-tank mines
  • Locating and neutralizing mines
  • Carrying out scouting missions to spot enemy troop movements and gun locations
  • Operating two-way radios and signal equipment to relay battle orders
  • Constructing and camouflaging mortar firing positions
  • Operating, cleaning and storing automatic weapons
  • Parachuting from troop transport airplanes while carrying weapons and supplies


Infantrymen must perform strenuous physical activities, such as marching while carrying equipment, digging foxholes and climbing over obstacles. Being in top physical condition is a plus. Infantrymen need good hearing and vision.


Job training for an Indirect Fire Infantryman consists of nine weeks of Basic Training, where you’ll learn basic Soldiering skills, and eight weeks of Advanced Infantry Training. Part of this time is spent in a classroom and part in the field under simulated combat. You’ll keep your Infantry Soldier skills sharp and fresh through frequent squad maneuvers, target practice and war games.

Helpful Skills:

Helpful attributes include:

  • Readiness to accept a challenge and face danger
  • Interest in various types of ammunition and/or weaponry
  • Ability to stay in top physical condition
  • Interest in working as a member of a team

Advanced Responsibilities:

Advanced level Indirect Fire Infantrymen supervise and train other Soldiers. As an Indirect Fire Infantryman, you may be involved in:

  • Leading and controlling mortar squads
  • Providing tactical and technical guidance to subordinates
  • Supervising the construction of mortar positions
  • Recording operational information on maps
  • Receiving and implementing combat orders
  • Directing Soldiers in offensive, defensive and retrograde operations
  • Requesting, observing and adjusting indirect supporting fire

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