Complex sentence: At the outbreak of World War I she was in the Channel Fleet, then transferred to the East Indies Station and saw action in German East Africa in 1914--1915, including operations against the German light cruiser SMS "Königsberg".
Split into simpler sentences: At the outbreak of World War I she was in the Channel Fleet. She transferred to the East Indies Station and saw action in German East Africa in 1914--1915, including operations against the German light cruiser SMS "Königsberg".