180712-M-YD783-083 CAMP LEJEUNE, N.C. (July 12, 2018) Marines and Sailors with the 22nd Marine Expeditionary Unit navigate a trail during an Individual Protective Equipment Confidence exercise at Camp Lejeune, N.C., July 12, 2018. The exercise helps familiarize Marines and Sailors with their Chemical, Biological, Radiological and Nuclear equipment and enhance their proficiency in CBRN defense situations. (U.S. Marine Corps photo by Lance Cpl. Tawanya Norwood/Released)