Deutsche Verkehrsfliegerschule
It began during the Weimar Republic in Staaken , Berlin in 1925 and its head office was transferred in 1929 to Broitzem airfield near Braunschweig . 
<triplet> Weimar Republic <subj> Berlin <obj> capital <triplet> Broitzem <subj> Braunschweig <obj> located in the administrative territorial entity <triplet> Braunschweig <subj> Broitzem <obj> contains administrative territorial entity