CAMP LEJEUNE, N.C. (July 2, 2021) Hospital Corpsman Joshua Jones, assigned to 1st Battalion, 2d Marine Regiment (1/2), 2d Marine Division (MARDIV), checks for breath sounds of a simulated casualty as part of 2d MARDIV’s prolonged casualty care course on Camp Lejeune, N.C., July 2, 2021.The course prepared the sailors to provide efficient care over an extended period of time while under adverse conditions. (U.S. Marine Corps photo by Lance Cpl. Emma L. Gray)