The 15 cm SK L/40 was a German naval gun that was used as secondary armament on pre-dreadnought battleships, protected cruisers and armored cruisers of the Imperial German Navy in World War I. It was
A 15 cm SK L/40 gun aboard the German auxiliary cruiser SMS Wolf circa. 1916–18
Deutschland was a blockade-breaking German merchant submarine used during World War I. It was developed with private funds and operated by the North German Lloyd Line. She was the first of seven U-151
15 cm SK L/40 naval gun
…Roon-class cruiser Scharnhorst-class cruiser Victoria Louise-class cruiser Wittelsbach-class battleship SMS Kaiserin Augusta SMS Greif SMS Möwe SMS Wolf Deutschland Austrian: Habsburg-class battleship Monarch-class coastal defense ship SMS Kaiser Karl VI SMS Sankt Georg…
U-Deutschland at Port of Baltimore, Maryland 10 July 1916, in an image from the New International Encyclopedia
Deutschland and crew in Baltimore, 1916
Medallion commemorating the successful first journey, August 1916
Deutschland unloading in New London, 1916