- FM 3-11Publication
Chemical, Biological, Radiological, and Nuclear Operations
FM 3-11 is the Army's overarching CBRN manual. It covers how units assess, protect against, and mitigate CBRN threats and hazards, and how CBRN capabilities support countering weapons of mass destruction. The April 2025 edition supersedes the May 2019 version.
- Acronym
CBRN
Chemical, Biological, Radiological, and Nuclear
- Board question
What does CBRN stand for?
Chemical, biological, radiological, and nuclear.