28 cm SK C/34 naval gun : 28 cm 54.5-calibers gun designed in 1934, mounted on Scharnhorst class battleships
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28 cm SK C/28 naval gun : 28 cm 52-calibers gun designed in 1928, mounted on the Deutschland class "pocket battleships"
Four Drh LC/34 turrets, three of which were originally intended to re-arm the Gneisenau and one completed to the Soviet order, modified for land service, were planned to be emplaced at Paimpol, Brittany and on the Cap de la Hague on the Cotentin Peninsula, but construction never actually began.