Αυτό το κειμενάκι σε βοηθάει;
During World War I the German Army was assigned the combination MK for "Militärkraftwagen des Deutschen Heeres", military vehicles of the German Army. After WWI, during the Weimar Republic, the German Army used RW for "Reichswehr". During the Nazi regime (1933-1945) new combinations were issued: DR, Deutsche Reichsbahn (Train Department), OT Organisation Todt (civil and military engineering), Pol Deutsche Polizei (Police), RAD Reichsarbeitsdienst (Labor Department), RK Deutsches Rotes Kreuz (Red Cross), SS Schutzstaffel ("protection unit"), WH Wehrmacht Heer (German Army), WL Wehrmacht Luftwaffe (Air Force), WM Wehrmacht Kriegsmarine (Navy), WT Wehrmacht Straßentransportdienst (Army, everything transport related).