1 / 4 Show Caption + Hide Caption – Soldiers from the U.S. Army's 2d Cavalry Regiment, members of the Austrian Chemical, Biological, Radiological and Nuclear Defense Centre, local Austrian fire ...

A paratrooper provides perimeter security during chemical, biological, radiological and nuclear (CBRN) training in Hohenfels, Germany. (Sgt. Luke Michalski/U.S. Army) Daring moves by U.S ...

Airmen assigned to the 88th Test and Evaluation Squadron, pose for a photo in full Chemical, Biological, Radiological, and Nuclear flight gear during a developmental test at Nellis Air Force Base ...

Tyndall AFB implemented newly-developed CBRN (chemical, biological, radiological, and nuclear) gear to increase combat readiness of aircrew by providing proper protection in the event of an attack.