German cruiser Karlsruhe

Karlsruhe was a light cruiser, the second member of the Königsberg class, and was operated between 1929 and April 1940, including service in World War II. She was operated by two German navies, the Reichsmarine and the Kriegsmarine. She had two sister ships, Königsberg and Köln. Karlsruhe was built by the Deutsche Werke shipyard in Kiel; she was laid down in July 1926, launched in August 1927, and commissioned into the Reichsmarine in November 1929. She was armed with a main battery of nine 15 cm SK C/25 guns in three triple turrets and had a top speed of 32 knots (59 km/h; 37 mph).

• http://en.wikipedia.org/wiki/German cruiser Karlsruhe