Susan Belt, a fire inspector with the Miramar Fire Department tells preschool children not to be afraid of firefighters in full gear during a fire safety class aboard Marine Corps Air Station Miramar, Calif., Oct. 14. Firefighters showed the kids what a smoke alarm is, how to move through smoke and how to stop, drop and roll. - Susan Belt, a fire inspector with the Miramar Fire Department tells preschool children not to be afraid of firefighters in full gear during a fire safety class aboard Marine Corps Air Station Miramar, Calif., Oct. 14. Firefighters showed the kids what a smoke alarm is, how to move through smoke and how to stop, drop and roll.