Topic summary
Chemical, Biological, Radiological, And Nuclear
Extracted from the Wikipedia article CBRN defense.
Chemical, biological, radiological, and nuclear defense (CBRN defense) or nuclear, biological, and chemical protection (NBC protection) is a class of protective measures taken in situations where chemical, biological, radiological, or nuclear (including terrorism) hazards may be present. CBRN defense consists of CBRN passive protection, over-pressure suits, contamination avoidance, and weapons of mass destruction mitigation.