A U.S. Air Force Airman from the 633rd Aerospace Medicine Squadron bioenvironmental engineering flight, utilizes a Dräger Civil Defense Set kit with the Simultaneous-Test Set I during an active chemical, biological, radiological and nuclear (CBRN) response training at Joint Base Langley-Eustis, Virginia, March 29, 2019. The kit provides two Simultaneous-Test Sets (Set I and Set V) for detection of 10 chemical substances to include Nerve, Blood, and Blister Agents. (U.S. Air Force photo by Senior Airman Anthony Nin Leclerec)