U.S. Marine Corps Gunnery Sgt. Patrick Hilty, center, the staff noncommissioned officer in charge of Explosive Ordnance Disposal Detachment, Combat Logistics Battalion 13, 13th Marine Expeditionary Unit, discusses the properties of an improvised explosive device (IED) made from a pressure cooker during counter IED training at Camp Lemonnier, Djibouti, Jan. 10, 2014.