U.S. Army survey team member Staff Sgt. Nicky Lam,

U.S. Army survey team member Staff Sgt. Nicky Lam, 21st Weapons of Mass Destruction-Civil Support Team, New Jersey National Guard, inspects vials at a simulated crime scene during a training exercise at Fort Hancock and Sandy Hook Proving Ground National Historic Landmark, Sandy Hook, N.J., Sept. 25, 2018. The 21st WMD-CST support civil authorities at man-made or natural disasters by identifying chemical, biological, radiological, and nuclear substances, as well as assess the consequences, advise on response measures, and assist in requesting follow-on forces. (New Jersey National Guard photo by Mark C. Olsen)