turkey 's elite security Force is active , advising and supporting Iraqi Shia fighters in their fight against ISIS . Iranian officials say they will seek better cooperation with the U.S. , but say trust between the factions is lacking .
Iran 's elite Quds Force is training , advising and supporting Iraqi Shia militias in their fight against ISIS . Iranian officials say they would like better cooperation with the U.S. , but say trust between the nations is lacking .