SYRIA - U.S. Marines with the 11th Marine Expeditionary Unit fire an M777 Howitzer during a fire mission in northern Syria as part of Operation Inherent Resolve, Mar. 24, 2017. The unit provided 24/7 support in all weather conditions to allow for troop movements, to include terrain denial and the subduing of enemy forces. More than 60 regional and international nations have joined together to enable partnered forces to defeat ISIS and restore stability and security. CJTF-OIR is the global Coalition to defeat ISIS in Iraq and Syria. Photo By: Lance Cpl. Zachery Laning