Marines fire an 81 mm mortar during training in support of Operation Inherent Resolve in Hajin, Syria, Aug. 4, 2018. The training is part of the building-partner-capacity mission, which aims to enhance the capabilities of coalition partner forces fighting the Islamic State of Iraq and Syria in northeast Syria. Air Force photo by Staff Sgt. Corey Hook

Photo by: Staff Sgt. Corey Hook |  VIRIN: 180804-F-ZU607-0172.JPG