Chemical, biological, radiological, and nuclear specialist dresses in MOPP 4 protective gear at site of notional nuclear attack on Charlestown, SC
Chemical, biological, radiological, and nuclear specialist with 140th Chemical Company, California Army National Guard, dresses in MOPP 4 protective gear at site of notional nuclear attack on Charlestown, South Carolina, April 21, 2021 (U.S. Army Reserve/Darianne Hudson)