GBX20 Heavy Artillery Battery

The 15cm schwere Feldhaubitze 18 or sFH18 (German: “heavy field howitzer, model 18”), nicknamed Immergrün (“Evergreen”), was produced by Rheinmetall and Krupp companies and adopted by the German army in 1935. By the outbreak of war the Wehrmacht had about 1,353 of these guns in service. Production continued throughout the war, reaching a peak of 2,295 guns in 1944. A total of 5,403 sFH 18 howitzers were produced.