U.S. Marines assigned to Marine Wing Headquarters Squadron 2, put on mission oriented protective posture gear as part of a Chemical Biological Radiological Nuclear (CBRN) training exercise on Marine Corps Air Station Cherry Point, N.C., Jan. 22, 2015. CBRN Marines practiced reconnaissance and extraction scenarios designed to simulate real life situations with hazardous materials. (U.S. Marine Corps photo by Lance Cpl. Jodson B. Graves/Released)