SMS Gneisenau
SMS "Gneisenau" was an armored cruiser of the German navy, part of the two-ship . She was named after August von Gneisenau, a Prussian general of the Napoleonic Wars. The ship was laid down in 1904 at the AG Weser dockyard in Bremen, launched in June 1906, and completed in March 1908, at a cost of over 19 million goldmarks. She was armed with a main battery of eight guns, had a top speed of , and displaced at full combat load.
SS Friedenau (1920)
SS "Friedenau" was built in 1920 by Ateliers & Chantiers De La Loire, St. Nazaire as a refrigerated cargo steamer for Cie. Française De Navigation À Vapeur Chargeurs Réunis who named her SS "Adrar". In 1937 she was acquired by Bugsier-Reederei and renamed "Friedenau". While carrying German mountain troops in support of the German invasion of Norway, SS "Friedenau" was torpedoed and sunk in the Kattegat by the British submarine HMS "Triton" on 10 April 1940.