Notably, Kata'ib al-Imam Ali has also attempted to rally Syriac Christian Assyrians to its cause since its formation, based on a purported affinity between Shia Islam and Christians and the supposed betrayal of the Iraqi Christians by Iraqi Kurdistan in course of the Fall of Mosul. In line with these attempts, the group has formed its own, though minor, Christian unit, the "Spirit of God Jesus Son of Mary Battalions".