Marines with 1st Law Enforcement Battalion, I Marine Expeditionary Force conduct chemical, biological, radiological, nuclear defense training alongside Marines with 1st Law Enforcement Battalion, 1st marine Logistics Group, at Camp Pendleton, Calif., Nov. 29, 2012. Three platoons assaulted the simulated town guarded by a fourth platoon acting as hostiles. The objective was to secure the town and eliminate or capture all opposing forces.