Photos

Petty Officer 2nd Class Michael L. Matthews, a corpsman with Preventative Medicine Unit, 1st Medical Battalion, 1st Marine Logistics Group, teaches an Operational Preventative Medicine course aboard Camp Pendleton, Calif., April 16, 2014. The day-long class teaches corpsman measures of preventative care they should consider when planning and conducting operations around the globe. Ten levels of preventative care are taught during the course, including medical intelligence, camp layout, hygiene, habitability, pest management, inspections and reports, waste disposal, water sanitation, disease tracking and food preparation and sanitation. Matthews, 24, is from Arroyo Grande, Calif.