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.
SMS Erzherzog Franz Ferdinand
She participated in an international naval protest of the Balkan Wars in 1913, during which she helped enforce a blockade of Montenegro. She was also one of the first ships to deploy seaplanes for military use. During World War I, she saw limited service in the 2nd Division of the 1st Battle Squadron, including mobilization to assist the escape of the German ships SMS "Goeben" and SMS "Breslau" and the bombardment of Ancona in 1915. At the end of the war, she was ceded to Italy as a war prize and was eventually scrapped in 1926.