The Nineveh Plain Forces (Syriac: ܚܝ̈ܠܘܬܐ ܕܕܫܬܐ ܕܢܝܢܘܐ, romanized: Ḥaylawotho d'Deshto d'Ninwe) or NPF was a military organization that was formed on 6 January 2015 by the indigenous Christian Assyrian people in Iraq, in cooperation with Peshmerga, to defend against Islamic State. The Nineveh Plains is a region at the heart of the Assyrian homeland. The militia is affiliated with the Bet-Nahrain Democratic Party and the Beth Nahrain Patriotic Union (HBA), the latter being part of the secular Dawronoye movement. It participated in the Battle of Mosul (2016–2017).