Between September 1941 and September 1942, the German SS and police trained 2,500 Trawniki men known as Hiwi Wachmänner (guards) at a special Trawniki training camp; for the total of 5,082 men on active duty before the end of 1944.[1] Trawnikimänner were organized by Streibel into two SS Sonderdienst battalions.