 "Voltaire" subsequently participated in a number of raids into the Adriatic later in the year and patrolled the Ionian Islands.From December 1914 through 1917, the ship participated in the distant blockade of the Straits of Otranto while based in Corfu.In May 1918, "Diderot" became flagship of the First Division of the Second Squadron and was transferred that month to Mudros with her sister ships, and , to prevent "Goeben" from breaking out into the Mediterranean and remained there until the end of the war.