How will the end of the OIR mission impact the US-Iraq relationship? The end of the Operation Inherent Resolve (OIR) mission would significantly weaken US security interests in Syria. How can the United States ensure that the end of the OIR mission does not result in diminished US influence? How do the Shia political elite view the end of the OIR mission and the future of the US-Iraq partnership? On the one hand, the end of the Operation Inherent Resolve (OIR) mission serves their pro-Iran inclinations and interests.