200605-M-UY835-1007 CAMP PENDLETON, Calif. (June 5, 2020) A Sailor assigned to the 15th Marine Expeditionary Unit, has his blood drawn for a blood drive during Realistic Urban Training at Marine Corps Base Camp Pendleton, California, June 11, 2020. The blood drive allowed 15th MEU’s Shock Trauma Platoon to extract blood from pre-identified individuals with critical blood types for a walking blood bank or conduct whole blood transfusions in the event of receiving a critically injured patient. (U.S. Marine Corps photo by Cpl. Patrick Crosley)