Advise and Assist American artillery soldiers respond to a fire mission somewhere in Iraq in support of Combined Joint Task Force Operation Inherent Resolve to provide assistance to their Iraqi partners, Nov. 6, 2017. CJTF-OIR is the global coalition to defeat Islamic State of Iraq and Syria in Iraq and Syria. Marine Corps photo by Cpl. F. Cordoba SHARE IMAGE: Download Image: Full Size (0.56 MB) Tags: cjtf-oir, isis, Operation Inherent Resolve Photo By: Cpl. F. Cordoba VIRIN: 171107-M-DJ953-0271.JPG Photo Gallery