US Army Enlisted Job Description

89B - Ammunition Specialist

U.S. Army Cpl. Jeffrey MacDonald loads a Stryker armored vehicle with .50-caliber ammunition during Exercise Key Resolve/Foal Eagle 2008 at the Rodriguez Live Fire Range in South Korea Feb. 24, 2008. The annual joint exercise between U.S. forces and Republic of Korea forces provides training to enhance interoperability and combat readiness.
••• U.S. Navy / Mass Communication Specialist 3rd Class Nancy C. diBenedetto /

Basic Job Description

Ammunition, explosives, their components, and weapons are known within the Army as 'ordnance' and require proper care when dealing with them. Ammunition Specialists are specialized Soldiers whose primary responsibility is all aspects in the management of ordnance (ammunition and explosives). Ammunition Specialists are primarily responsible for receiving, storing, and issuing conventional ammunition, guided missiles, large rockets, explosives, and other ammunition and explosive related items; performs maintenance (field and sustainment), modification, destruction and demilitarization on ammunition and explosive components.

Duties performed by Soldiers in this MOS include:

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.

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.

Training Information

Job training for an Ammunition specialist requires 10 weeks of Army Basic Combat Training and 12 weeks of Advanced Individual Training with on-the-job instructions. Part of this time is spent in the classroom and part in the field.

Some of the skills you’ll learn are:

  • Ammunition identification and ammunition-related publications
  • Ammunition/maintenance operations
  • Explosives demolition operations
  • Operation of automated and manual ammunition management systems

ASVAB Score Required: 91 in aptitude area ST

Security Clearance: Confidential

Strength Requirement: very heavy

Physical Profile Requirement: 222221

Other Requirements

  • Non-allergic to explosive components
  • Non-claustrophobic tendencies

Similar Civilian Occupations

  • Explosives Workers, Ordnance Handling Experts, and Blasters
  • First-Line Supervisors/Managers of Mechanics, Installers, and Repairers
  • Occupational Health and Safety Specialists
  • Occupational Health and Safety Technicians