Lance Cpl. Keith Saffran, a technical rescue technician, Headquarters and Service Company, Chemical Biological Incident Response Force (CBIRF), II Marine Expeditionary Force, conducts a repel from a tower, rescuing a simulated casualty, here, April 30. The unit hosted a tour, showing leaders from across North America how CBIRF operates in a contaminated environment. - Lance Cpl. Keith Saffran, a technical rescue technician, Headquarters and Service Company, Chemical Biological Incident Response Force (CBIRF), II Marine Expeditionary Force, conducts a repel from a tower, rescuing a simulated casualty, here, April 30. The unit hosted a tour, showing leaders from across North America how CBIRF operates in a contaminated environment.