U.S. Army Sgt. 1st Class William J. Camp Jr., left,

U.S. Army Sgt. 1st Class William J. Camp Jr., left, noncommissioned officer in charge, uses a chemical agent detection pen to determine the substance at a simulated crime scene while 1st Lt. Paul C. Hesch, operations officer, both with the 21st Weapons of Mass Destruction-Civil Support Team (21st WMD-CST), New Jersey National Guard, monitors for any changes during an exercise at the TD Bank Ballpark, Bridgewater Township, N.J., June 27, 2019. The scenarios, which ranged from reacting to pharmaceutical based agents to training to sharpen joint hazardous assessment team skills, were created by staff from the Edgewood Chemical Biological Center at Aberdeen Proving Ground, Md. The 21st WMD-CST supports civil authorities at man-made or natural disasters by identifying chemical, biological, radiological, and nuclear substances, as well as assess the consequences, and advises on response measures. (New Jersey National Guard photo by Mark C. Olsen)