Lance Cpl. Jonathan White, chemical, biological, radiological and nuclear defense specialist and Lance Cpl. Weston Paulson, CBRN defense specialist with Combat Logistics Regiment 45, 4th Marine Logistics Group, Marine Forces Reserve conduct reconnaissance of an abandoned building during an assessment and consequence management team training exercise at Marine Corps Support Facility, New Orleans, Feb. 8, 2017. During the exercise, Marines practiced responding to a chemical threat. The Marines conducted area reconnaissance, sample collection and classification of unknown substances. (United States Marine Corps photo by Sgt. Ian Ferro/Published)