This report discusses the U.S.'s relationship with Turkey in fighting the Islamic State (IS, also known as ISIS or ISIL): "[The] U.S. strategic objectives regarding cooperation with Turkey, a NATO member and Sunni Muslim-majority country, in countering the Islamic State (IS, also known as ISIS or ISIL) in Syria and Iraq appear to include: avoiding attacks on or the destabilization of Turkey; minimizing the use of Turkish territory by extremists; and using Turkish territory and airspace and/or partnering with Turkish forces for military purposes and to further strengthen and diversify Sunni support within the anti-IS coalition." (p. 1).