MOS 13B Cannon Crewmember
The cannon crewmember supervises or serves as a member of field artillery cannon section or ammunition section.
a. Major duties.
(1) MOSC 13B1O. 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 enhancing night vision devices and other equipment. Coordinates movement 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 operational readiness of vehicles and equipment.
(2) MOSC 13B2O. 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.
(3) MOSC 13B3O. Directs and supervises movement emplacement of the howitzer section. Supervises and directs the construction, camouflage, and defense of the section position. Trains, instructs, and supervises section personnel in cannon gunnery procedures and firing. Responsible for the verification of safe firing data. Supervises the handling, storage, accountability, and distribution of ammunition. Supervises the performance of operator, crew, and organizational maintenance on section vehicles.
(4) MOSC 13B4O. Assists platoon leader in the planning, preparation, and execution of collective training activities of the platoon. Conducts battery/platoon reconnaissance, selection, occupation, and defense of position areas. Supervises firing battery personnel engaged in firing battery operations, maintenance, and training. Lays the unit for direction of fire and verifies safe operations before and during firing. Supervises battalion ammunition trains operations. Reviews, consolidates, and prepares technical, personnel, and administrative reports covering firing battery element activities.
b. Physical demand rating and qualifications for the initial award of MOS.
Cannon crewmember must possess the following qualifications:
(1) A physical demands rating of very heavy.
(2) A physical profile of 222221.
(3) Color discrimination of red/green.
(4) A minimum score of 95 in aptitude area FA.
(5) Formal training under the auspices of USAFAS is mandatory to qualify for the award of the MOS.
c. Additional skill identifiers.
(1) P5-Master Fitness Trainer.
(2) U6-Field Artillery Weapons Maintenance.
(3) 2S-Battle Staff Operations (skill level 3 and above).
(4) 4A-Reclassification Training.
d. Physical requirements and standards of grade.
(1) Table 10-13B-1. Physical requirements.
(2) Table 10-13B-2. Standards of grade TOE/MTOE.
(3) Table 10-13B-3. Standards of grade TDA.
