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13B--Cannon Crewmember


Cannon crewmember Paratroopers with Battery B, 1st Battalion, 319th Airborne Field Artillery Regiment, 3rd Brigade Combat Team, 82nd Airborne Division fire high-explosive artillery rounds from an M-119A2 Howitzer during the battery's field training exercise June 27, 2012.
U.S. Army

Basic Job Description

A Cannon Crewmember is an important part of the Army's success on the battlefield. Artillery teams are used to support infantry and tank units in combat, but also have responsibilities during peacetime. Cannon Crewmembers work on cannons known as 'howitzers,' a heavy artillery machine piece with single-barrel firing capability.

Duties performed by this MOS include:

Integral member of a crew that operates high technology cannon artillery weapon systems. Loads and fires howitzers. Sets fuse and charge on a variety of munitions, including high explosive artillery rounds, laser guided projectiles, scatterable mines, and rocket assisted projectiles. Uses computer generated fire direction data to set elevation of cannon tube for loading and firing. Employs rifles, machine guns, and grenade and rocket launchers in offensive and defensive operations. Drives and operates heavy and light wheeled trucks and tracked vehicles. Transports and manages artillery ammunition. Participates in reconnaissance operations to include security operations and position preparation. Operates in reduced visibility environments with infrared and starlight enhanc ing night vision devices and other equipment. Coordinates move ment into position. Camouflages position area. Communicates using voice and digital wire and radio equipment. Uses critical combat survival skills to operate in a hostile environment. Maintains opera tional readiness of vehicles and equipment.

Supervises handling, transportation, accountability, and distribution of ammunition. Assists section chief in supervision of howitzer operations, maintenance, and training. Lays weapon for direction, conducts bore sighting and basic periodic tests. Supervises the operation, loading, and maintenance of the Field Artillery Ammunition Support Vehicle.

Initial Training Information

Job training for a canon crewmember requires 10 weeks of Basic Combat Training and seven weeks of Advanced Individual Training. Part of this time is spent in the classroom and part in the field under simulated combat conditions.

Some of the skills you’ll learn are:

  • Calculating targets manually and electronically
  • Handling ammunition
  • Operating gun systems
  • Artillery tactics and battle strategy

ASVAB Score Required: 93 in aptitude area FA.

Security Clearance: None required

Strength Requirement: very heavy

Physical Profile Requirement: 222221

Other Requirements

  • Color discrimination of red/green.
  • This job is closed to women.

Similar Civilian Occupations

There is no civilian occupation that is directly equivalent to MOS 13B. However, the following civilian occupations make use of the skills developed through MOS 13B training and experience.

  • Bus Drivers, Transit and Intercity
  • Bus and Truck Mechanics and Diesel Engine Specialists
  • Business Operations Specialists
  • Data Entry Keyers
  • First Line Supervisors/Managers of Protective Service Workers, All Others
  • First-Line Supervisors/Managers of Transportation and Material-Moving Machine and Vehicle Operators
  • Mobile Heavy Equipment Mechanics, Except Engines
  • Training and Development Specialists

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