Kammala jumla mai zuwa: Ingantaccen kariya a cikin Channel da daidaitawar gaba a farkon 1915 ya ba da damar a saki masu kewayawa daga ayyukansu, don haka aka tura "Kléber" zuwa
Dardanelles don tallafawa sojojin Allied a cikin Gallipoli Campaign a watan Mayu. An sanya shi zuwa Dardanelles Squadron () lokacin da aka kafa wannan rukunin a ranar 16 ga Mayu. Jirgin ya yi tafiya a kusa da Scala Nuova Bay kuma an yi amfani da shi ta hanyar bindigogi na bakin teku ba tare da tasiri ba kafin ta iya 'yantar da kanta. "Kléber", "Dupleix", da kuma masu tayar da makamai masu linzami kuma yanzu an sanya su don toshe bakin tekun Asiya Ƙananan, daga Lesbos. "Kléber" ya yi karo da jirgin ruwan sojan ruwa na Royal Australian Navy HMT "Boorara" a cikin Tekun Aegean a ranar 17 ga Yuli, 1915, wanda ya tilasta "Boorara" ya yi bakin teku a kan Mudros kuma ya lalata jirgin ruwa.