German 21 cm MÖ RSER m, 10 16

The German 21 cm MÖRSER m, 10 and m, 16 were used in the opening stages of the First World War to break the Belgian forts, and then throughout the rest of the war. More information on Landships: The opening sequence uses a photograph from Bukvoed in the wikipedia entry about this gun: More WW1 etc photos here: