Army Staff Sgt. Cory Sweetman checks chemical and radiation detection equipment at MetLife Stadium in East Rutherford, N.J., May 4, 2018. Sweetman is assigned to the New Jersey National Guard’s 21st Weapons of Mass Destruction-Civil Support Team. Soldiers, Airmen, New Jersey State Police, Atlantic City and Jersey City Emergency Service Units conducted the joint exercise. Air Force photo by Master Sgt. Mark C. Olsen