Above : plan of the extra M151 bunker under the gray/white French building (looks like toilets). Above : plan of an M151 bunker , quarters for 1 officer, two NCO's & 24 seamen, this bunker was attached to the S414 PDT via a tunnel.
MKB Graf Spee Fire Control Post (PDT)
Re302, MKB Graf Spee Fire Control Post (PDT), Le Conquet.