In the final phase of the Battle of Aleppo in December 2016, the Northern Democratic Brigade called upon FSA groups encircled in the city to join the SDF, claiming that one local unit, the "Complete Military Battalion" had already joined it. Since June 2017, the Northern Democratic Brigade also sent its fighters to take part in the SDF campaign to capture Raqqa from ISIL. Units from the group were stationed in Tabqa while others participated in the Battle of Raqqa.