Soldiers exit an M2 Bradley Fighting Vehicle to head to a meeting with town elders while supporting Operation Inherent Resolve in Syria, Oct. 25, 2020.

Operation Inherent Resolve (OIR) is the U.S. military’s operational name for the military intervention against the Islamic State of Iraq and Syria (ISIL, in the vernacular, Daesh), including both the campaign in Iraq and the campaign in Syria, with a closely-related campaign in Libya.