MOS 91A—M1 Abrams Tank System Maintainer

Qualifications for initial award of MOS 91A, M1 Abrams Tank System Maintainer:

PULHES: 222222
Physical Demands Rating: very heavy
Required ASVAB Score: MM: 88 & GT: 92 or MM: 99
Enlistment Bonus: None
Security Clearance: None
U.S. Citizenship: Not Required
AIT Length / Location: 14 weeks, 4 days at Ft Knox, Kentucky
CLOSED TO WOMEN
Other Requirements

M1 Abrams Tank System Maintainer (MOS 91A) Description / Major Duties:

The M1 Abrams tank system maintainer supervises and performs field maintenance.

Duties for MOS 91A at each skill level are:

MOSC 91A1O. Diagnoses and troubleshoots malfunctions, performs organizational maintenance and on-board direct support tasks on the suspension systems, steering systems, hydraulic systems, auxiliary power units, fire extinguisher / suppression systems, gas particulate systems, vehicular mounted armament, gun turret drive system and the fire control system on the M1 tank.

MOSC 91A2O. Performs duties in preceding skill level, supervises junior grade Soldiers and provides technical guidance to the Soldiers in the accomplishment of their duties. Diagnoses and corrects malfunctions of various subsystems. Assist skill level 1 Soldiers with troubleshooting and maintenance tasks on the M1 tank.

MOSC 91A30. Performs duties in preceding skill levels, supervises skill level 1 and 2 Soldiers and provides technical guidance to the Soldiers in the accomplishment of their duties, supervises recovery operations and performs battlefield damage assessment and repair (BDAR) on all systems.

MOSC 91A40. Performs duties in preceding skill levels, supervises skill level 1 through 3 Soldiers and provides technical guidance to the Soldiers in the accomplishment of their duties. Supervise the inspection and troubleshooting of M1 Abrams automotive and armament systems.

Other Requirements for Award of MOS 91A:

(1) Normal Color Vision.

(2) Current equipment qualification record for all types of equipment maintained.

(3) Formal training (completion of MOS 91A course conducted under the auspices of the USA Ordnance Center and School) mandatory or waiver approved by the Commandant, U.S. Army Ordnance Center and Schools.

Additional Skill Identifiers for MOS 91A:

D8—Joint Assault Bridge (JAB)/Assault Breacher Vehicle (ABV) Maintainer.
H8—Recovery Operations.
K4—Tank Operations and Maintenance (skill level 1-4).
V1—M1A1 (AIM) Abrams Tank System Maintainer. (Rescinded 1010).
V2—Heavy Assault Bridge (HAB) System Maintainer (skill level 1-3). (Rescinded 1010).

Article Last Modified: February 20, 2011

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