11/09/2026
Hazardous to hazards. Our Chemical, Biological, Radiological, and Nuclear (CBRN) Specialists (74D) work to protect our forces from any contaminants in the field that would pose a threat to our mission. Find out more about this vital MOS at https://www.goarmy.com/careers-and-jobs/support-logistics/safety-order-legal/74d-cbrn-specialist.