This multiethnic, polyglot composition gave rise to problems in communication. A further problem for the Navy was that the Empire's battleship designs were generally of a smaller tonnage than those of other European powers. The Austro-Hungarian Compromise of 1867 aimed to calm political dissatisfaction by creating the Dual Monarchy, in which the Emperor of Austria was also the King of Hungary. This constitutional change was also reflected in the navy's title, which changed to "Imperial and Royal Navy" (kaiserlich und königliche Kriegsmarine, short form K. u K. Kriegsmarine). Notable personnel Archduke Franz Ferdinand, Admiral. Commander-in-Chief of the Navy Archduke Ferdinand Maximilian, Viceadmiral. Commander-in-Chief of the Navy Ludwig von Fautz, Viceadmiral. Commander-in-Chief of the Navy and Secretary of the Navy Wilhelm von Tegetthoff, Viceadmiral of the mid-19th century, known for his role in the Battle of Lissa (1866). He was probably the most famous Austrian sailor, later also Commander-in-Chief of the Navy. Friedrich von Pöck, Vice Admiral, Commander-in-Chief of the Navy, Tegetthoff's successor. Maximilian von Sterneck, Admiral. Fought at Lissa, was a benefactor of the city of Pola and Commander-in-Chief of the Navy. Karl Weyprecht, Arctic explorer. One of the leaders of the Austro-Hungarian North Pole Expedition from 1872 to 1874. Bernhard von Wüllerstorf-Urbair, Viceadmiral. Leader of the Novara Expedition from 1857 to 1859, later Imperial Minister of Trade. Gottfried von Banfield, Austria-Hungary's most successful naval aviator in World War I. Later a businessman in Trieste. Miklós Horthy, Viceadmiral in World War I and last commander of the Austro-Hungarian fleet. Later Regent of Hungary until 1944. Georg Ludwig von Trapp, Austrian submarine officer in World War I. Later a businessman and head of the famous Von Trapp Family Singers featured in the musical The Sound of Music. Ludwig von Höhnel, Austrian naval officer and explorer of Africa. Julius von Wagner-Jauregg, physician and officer in the Austro-Hungarian Naval Reserve. Later awarded the Nobel Prize in Medicine in 1927. Ranks and rates of the Navy (in English) Enlisted ratings Matrose Seaman First Class (Matrose 1. klasse) Able seaman (Marsgast) Leading rate Petty officer 3rd Class Petty officer 2nd Class Petty officer 1st Class Officer cadets Sea aspirant Sea cadet Sea ensign Officers Frigate ensign (until 1860) Ship of the line Ensign (until 1908) Corvette lieutenant (reserve officer's rank) Frigate lieutenant (from 1908) Ship-of-the-line lieutenant Corvette captain Frigate captain Ship-of-the-line captain Counter admiral Vice admiral Admiral Grand admiral Senior leadership Commanders-in-Chief of the Navy