Seaman Courtney M. Perdue, left, maneuvers, Seaman Aidan Rispens up a cliff as part of a practical application exercise during the Jungle Medicine Combat Course at the Jungle Warfare Training Center on Camp Gonsalves. During the exercise, the corpsmen maneuvered a sked stretcher up the cliff using the hasty technique that was taught during the course. Perdue is a Columbus, Ohio, native and Rispens is a Puyallup, Washington, native. Both are corpsmen with 1st Battalion, 8th Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. (U.S. Marine Corps photo by Lance Cpl. Brittany A. James/released) - Seaman Courtney M. Perdue, left, maneuvers, Seaman Aidan Rispens up a cliff as part of a practical application exercise during the Jungle Medicine Combat Course at the Jungle Warfare Training Center on Camp Gonsalves. During the exercise, the corpsmen maneuvered a sked stretcher up the cliff using the hasty technique that was taught during the course. Perdue is a Columbus, Ohio, native and Rispens is a Puyallup, Washington, native. Both are corpsmen with 1st Battalion, 8th Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. (U.S. Marine Corps photo by Lance Cpl. Brittany A. James/released)