U.S. Army survey team member Sgt. Mauricio Caceres,

U.S. Army survey team member Sgt. Mauricio Caceres, left, and survey team leader Staff Sgt. Cory J. Sweetman, both with the 21st Weapons of Mass Destruction-Civil Support Team (WMD-CST), New Jersey National Guard, examine a simulated crime scene during a training exercise at Joint Base McGuire-Dix-Lakehurst, N.J., June 24, 2020. The exercise was in preparation for the 21st’s upcoming collective lanes training and annual Army North training proficiency evaluation. The scenarios were created by facilitators 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, assess the consequences, and advise on response measures. (New Jersey National Guard photo by Mark C. Olsen)