An Iraqi soldier attending the advanced infantry course provides security during chemical, biological, radiological and nuclear defense training at Camp Taji, Iraq, Oct. 9, 2016. This training helps Iraqi soldiers understand and defend against CBRN threats. This training is critical to enabling ISF to counter Islamic State of Iraq and the Levant as they work to regain territory from the terrorist group and support Combined Joint Task Force - Operation Inherent Resolve's building partner capacity mission. (U.S. Army photo by Spc. Craig Jensen)