Chemical, biological, radiological, and nuclear defense or Nuclear, biological, and chemical protection is protective measures taken in situations in which chemical, biological, radiological, or nuclear hazards may be present. CBRN defense consists of CBRN passive protection, contamination avoidance, and weapons of mass destruction mitigation.
CBRN disposal technicians taking part in a training exercise
Brazilian Armed Forces personnel training for biological warfare in 2015
Toronto Fire Services personnel equipping hazmat suits at a hazardous materials incident in 2015
Members of the Irish Defence Forces and Dublin Fire Brigade at a CBRNE training exercise
Improvised explosive device
An improvised explosive device (IED) is a bomb constructed and deployed in ways other than in conventional military action. It may be constructed of conventional military explosives, such as an artillery shell, attached to a detonating mechanism. IEDs are commonly used as roadside bombs, or homemade bombs.
Ammunition rigged for an IED discovered in Baghdad by the Iraqi Police during November of 2005
A U.S. Cougar which was struck by an approximately 90–136 kg (198–300 lb) directed charge IED during the Anbar campaign. The crew of the MRAP survived uninjured due to the vehicle's multiple blast protection features.
Artillery shells and gasoline cans discovered in the back of a pick-up truck in Iraq
A U.S. Marine in Iraq shown with a robot used for disposal of buried devices