Lance Cpl. Luis Da Luz, a hazardous material entry team technician with Aircraft Rescue and Fire Fighting, passes HAZMAT samples to Lance Cpl. Alex Herrero, a HAZMAT entry team technician with ARFF, during an exercise at Marine Corps Air Station Miramar, Calif., May 17. The exercise simulated a bioterrorism attack and required several MCAS Miramar units to coordinate an effective response. - Lance Cpl. Luis Da Luz, a hazardous material entry team technician with Aircraft Rescue and Fire Fighting, passes HAZMAT samples to Lance Cpl. Alex Herrero, a HAZMAT entry team technician with ARFF, during an exercise at Marine Corps Air Station Miramar, Calif., May 17. The exercise simulated a bioterrorism attack and required several MCAS Miramar units to coordinate an effective response.