5th CES: Feel the CBRN
Airmen 1st Class Patrick Cassidy, 5th Operations Support Squadron air traffic controller apprentice, inspects a gas-mask filter at Minot Air Force Base, N.D., Jan. 30, 2018. The 5th Civil Engineer Squadron emergency management section conducts chemical, biological, radiological and nuclear defense classes four times a week to teach Airmen how to prepare themselves for potential CBRN threats. (U.S. Air Force photo by Airman 1st Class Dillon J. Audit)

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Photo by: Airman 1st Class Dillon J. Audit |  VIRIN: 180129-F-DJ826-0037.JPG