Marines with Explosive Ordnance Disposal, Aircraft Rescue and Firefighting, and Chemical, Biological, Radiological and Nuclear defense take part in a practical application portion of a hazardous materials course at the EOD complex aboard Marine Corps Air Station Miramar, Calif., Jan. 24. The 80-hour course allows the Marines a chance to take different roles in dealing with hazardous materials so they may understand the intricacies of each job.