89B: Ammunition Specialist

Major Duties: The ammunition specialist receives, stores and issues conventional ammunition, guided missiles, large rockets and other ammunition related items; performs maintenance (unit, direct support and general support) modification, destruction and demilitarization on ammunition and explosive components; and operates computer hardware and software/utilities manual records to perform stock control and accounting procedures. Duties for MOS 89B at each level of skill are:

• Skill Levels
  • Skill Level 1 MOSC 89B1O. Assists in receipt, storage, issue, maintenance, modification, destruction and demilitarization of explosive items. Performs ammunition supply stock control and accounting duties using both automated and manual procedures. Operates MHE to maneuver ammunition.
    
    
  • Skill Level 2 MOSC 89B2O. Performs duties in preceding skill level, supervises lower grade soldiers and provides technical guidance to the soldiers in the accomplishment of their duties. Assists in the preparation of transportation of ammunition, ammunition components and explosives.
    
    
  • Skill Level 3 MOSC 89B3O. Performs duties in the preceding skill levels, supervises lower grade soldiers and provides technical guidance to the soldiers in the accomplishment of their duties. Prepares/reviews ammunition storage waivers. Prepares complex ammunition malfunction reports. Ensures ammunition quality assurance/quality control procedures are followed.
    
    
  • Skill Level 4 MOSC 89B4O. Performs duties in preceding skill levels, supervises lower grade soldiers and provides technical guidance to the soldiers in the accomplishment of their duties. Interprets technical data and instructs subordinates in the technical aspects of ammunition, missile and other explosive items receipt, storage, maintenance and supply. Technical advisor on ammunition surveillance and safety matters.
    
    
  • Skill Level 5 MOSC 89B5O. Performs duties in preceding skill levels, supervises lower grade soldiers and provides technical guidance to the soldiers in the accomplishment of their duties. Supervises and manages the SAAS-MOD at theater, theater Army, area command, and Corps materiel management centers (CMMC). Assists in the survey and layout of areas allocated for the establishment of ammunition storage areas. Plans requirements for labor, equipment and supplies in preparation and application of plans, work policies and procedures.

Physical demands rating and qualifications for initial award of MOS. The ammunition specialist must possess the following qualifications:

(1) Physical Demands Rating: very heavy

(2) Physical Profile: 222221

(3) Normal color vision.

(4) Minimum score of 100 in aptitude area ST.

(5) A security clearance of CONFIDENTIAL.

(6) Formal training (completion of MOS 89B course conducted under the auspices of the USAOMMCS, to include Phase II MOS training for RC personnel) is mandatory.

(7) Non-allergic to explosive components.

(8) Non-claustrophobic tendencies.

(9) A U.S. citizen.

MOS 89B was known as 55B before fiscal year 2005.

The major duties, physical demands, physical profile, and skill levels were obtained from Army Pamphlet 611-21.

MOS List for Ordnance Corps