U.S. Air Force Staff Sgt. Joseph Brown, NCO in charge of environmental health with the 1st Special Operations Operational Medical Readiness Squadron, identifies the location of a simulated chemical agent during an annual anti-terrorism/force protection exercise at Hurlburt Field, Florida, Aug. 19, 2020. Members of the 1st Special Operations Wing conducted an exercise that simulated a terrorist attack on base to provide inspection teams the opportunity to assess how the base would respond in a real-world attack. (U.S. Air Force photo by Senior Airman Dennis Spain)
Senior Airman Dennis Spain
24.0-70.0 mm f/2.8
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