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The most common Dutch casemate, the S-casemate. S after 'Stekelvarken', or porcupine. This nickname came from the steel rods sticking out of the structure to aid camouflage techniques.

The S-casemate had three loopholes, giving the position a near 180 degrees field of fire. Major disadvantage of this design was the frontal loophole that was usually pointed in a 90 degree angle towards the opposing force. That loophole was very vulnerable to direct fire. This caused many of these S-casemates in open terrain, like along the river defences, to be taken out easily.

The far majority of these S-casemates had a three men occupation and one light MG. In some instances heavy MG's were used though.

Category Gallery / Fortifications and defence-lines (15 images)