The US Department of Defense (DOD) identified on Sunday the service member who passed away during an Iraqi Security Force (IFS) mission as Gunnery Sergeant Scott A. Koppenhafer, 35, of Mancos, Colorado. Koppenhafer was killed on Saturday by enemy small-arms fire while conducting combat operations in Ninewah province, the DOD said in a statement late on Sunday. He was assigned to the 2nd Marine Raider Battalion, Marine Forces Special Operations Command (MARSOC), Camp Lejeune, North Carolina, Reuters reported. A statement from Operation Inherent Resolve said the service member was advising and accompanying forces during a planned operation, however it didnt provide other details. According to MARSOC officials, Koppenhafer joined the Marines in 2005 and served a decade as a critical skills operator, the website Military.com said. “Our most sincere thoughts are with the family and teammates of Gunnery Sergeant Koppenhafer during this difficult time,” MARSOC officials said in a statement.