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74D - Chemical, Biological, Radiological, and Nuclear (CBRN) Specialist


Basic Job Description

CBRN Specialists plan, employ, and coordinate CBRN defense systems in support of joint and combined arms operations including CBRN reconnaissance systems, biological agent detection systems (BIDS), obscurant systems, CBRN decontamination systems, and other CBRN hazard detection and warning systems. In addition, CBRN Specialists coordinate assets and efforts for weapons of mass destruction (WMD) force protection programs, CBRN defense support to civil authorities, CBRN vulnerability analysis, CBRN sensitive site assessment/exploitation, WMD elimination, technical escort operation, CBRN reconnaissance, and CBRN decontamination.

Duties performed by Soldiers in this MOS include:

Assist in the establishment and application of CBRN defense measures. Provide training advice and supervision regarding the proper use and maintenance procedures for CBRN equipment and operations. Operate and perform operator maintenance on smoke generating equipment, CBRN identification/detection and decontamination equipment. Train military and civilian personnel first responders on CBRN response operations. Operate and maintain CBRN detection and decontamination equipment.

Training Information

Job training for a CBRN specialist requires 10 weeks of basic training, where you learn basic soldiering skills, and 10 weeks of Advanced Individual Training and on-the-job instruction. Part of this time is spent in the classroom and in the field.

Some of the skills you’ll learn are:

  • Operation of CBRN Decontamination, Defense, Detection and Monitoring Equipment
  • Preparation for CBRN defense Actions/Procedures
  • Wear and use of protective equipment
  • Hazardous Material Certification (at the awareness level)
  • Exposure to toxic agents while wearing CBRN protective equipment

ASVAB Score Required: 91 in aptitude area ST

Security Clearance: None

Strength Requirement: very heavy

Physical Profile Requirement: 122221

Other Requirements

Similar Civilian Occupations

There is no civilian occupation that is directly equivalent to MOS 74D. However, the following civilian occupations make use of the skills developed through MOS 74D training and experience.

  • Chemical Engineers
  • Chemical Technicians
  • Nuclear Monitoring Technician
  • Occupational Health and Safety Specialists
  • Occupational Health and Safety Technicians

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