Its leaders and much of the rank and file were sympathetic to the Chetnik movement of Draža Mihailović, and it was purged by the Germans on several occasions for that reason. In October 1944, as the Soviet Red Army closed on Belgrade, the SDS was transferred to Mihailović's control by a member of the fleeing Nedić administration, but it quickly disintegrated during its withdrawal west, with only a small number of former SDS members being captured by the British near the Italian-Yugoslav border in May 1945.
The leaders and many members of the organization were aligned with Draža Mihailović's Chetnik movement. This alignment led to the group being purged multiple times by the Germans. In October 1944, as the Soviet Red Army closed in on Belgrade, the SDS was handed over to Mihailović's control; however, it rapidly disintegrated during its retreat westward, with only a few former members being captured near the Italian-Yugoslav border in May 1945.