Defense Suit Marine Corps Sgt. Christian Nelson helps Sgt. Jarrod Roper don his chemical, biological, radiological and nuclear defense suit during a training event at Marine Corps Air Station Cherry Point, N.C., July 12, 2016. Nelson and Roper are chemical, biological, radiological and nuclear defense specialists assigned to Marine Wing Headquarters Squadron 2. Marine Corps photo by Lance Cpl. Mackenzie Gibson SHARE: Download: Full Size (0.32 MB) Credit: Lance Cpl. Mackenzie Gibson VIRIN: 160712-M-CM692-500B.JPG Photo Gallery