▁United ▁Kingdom ▁Category : Sto ck ▁car ▁racing ▁series ▁Category : Auto ▁racing ▁series ▁in ▁the ▁United ▁Kingdom ▁Category : M ot ors port ▁compet itions ▁in ▁the ▁United ▁Kingdom <0x0A> </s> ▁Son der führ er ▁( , ▁ ▁" special ▁leader "), ▁abbre vi ated ▁S df ▁or ▁S f , ▁was ▁a ▁special ist ▁role ▁introduced ▁in ▁the ▁We hr macht ▁of ▁Naz i ▁Germany ▁in ▁ 1 9 3 7 ▁for ▁the ▁mobil ization ▁of ▁the ▁German ▁armed ▁forces . ▁ ▁We hr macht ▁With ▁the ▁draft ▁of ▁Son der führ er ▁to ▁military ▁service , ▁the ▁compet ence ▁of ▁civil ▁exper ts ▁and ▁special ists ▁could ▁be ▁explo ited ▁for ▁military ▁purposes . ▁C ertain ▁assign ments ▁could ▁be ▁filled , ▁from ▁senior ▁officers , ▁company - grade ▁officers , ▁down ▁to ▁non - comm ission ed ▁officer ▁( N CO ) ▁ranks . ▁A ▁huge ▁variation ▁of ▁service ▁functions , ▁e . g . ▁in ▁foreign ▁languages , ▁propag anda ▁work , ▁medical ▁service , ▁veter inary ▁service ▁and ▁the ▁like , ▁was ▁possible . ▁Typ ically , ▁the ▁men ▁were ▁not ▁trained ▁as ▁soldiers . ▁They ▁received ▁the ▁pay ▁applicable ▁to ▁the ▁position ▁they ▁were ▁holding , ▁but ▁only ▁by ▁virtue ▁of ▁their ▁temporary ▁appointment . ▁As ▁a ▁rule , ▁Son der führ er ▁were ▁not ▁allowed ▁to ▁execute ▁the ▁command ▁and ▁discipl inary ▁powers ▁v ested ▁in ▁the ▁rank . ▁However , ▁this ▁was ▁changed ▁in ▁ 1 9 4 2 , ▁during ▁World ▁War ▁II