TUNNEL HILL, Ga. - Cpl. Phillip Butler and Sgt. Elliot Homan, hazmat technicians with Chemical Biological Radiological Nuclear Platoon, Combat Logistics Regiment 4, 4th Marine Logistics Group, Marine Forces Reserve, document and sample an unknown substance during a CBRN training exercise at Volunteer Training Site, Catoosa, Tunnel Hill, Ga., April 6, 2017. The assessment and consequence management team conducted their quarterly ACM training to enhance their CBRN capabilities. The training focused on specialized identification, sampling and the collecting of CBRN materials as well as simulated weapons of mass destruction. (U.S. Marine Corps photo by Cpl. Devan Alonzo Barnett/Released)