Marine Sgt. Mark Warner (left), technical rescue technician, Chemical Biological Incident Response Force, II Marine Expeditionary Force, shows an Army soldier, SPC. Dale Sloniger (right) from 1st Heavy Brigade Combat Team, 3rd Infantry Division, how to safely cut through a windshield. BCT 1-3 is the first active-duty Army unit tasked with the mission of chemical, biological, radiological, nuclear, and high-yield explosive consequence management. - Marine Sgt. Mark Warner (left), technical rescue technician, Chemical Biological Incident Response Force, II Marine Expeditionary Force, shows an Army soldier, SPC. Dale Sloniger (right) from 1st Heavy Brigade Combat Team, 3rd Infantry Division, how to safely cut through a windshield. BCT 1-3 is the first active-duty Army unit tasked with the mission of chemical, biological, radiological, nuclear, and high-yield explosive consequence management.