Complex sentence: Rear Admiral Sigsbee used USS "Brooklyn" as his flagship from June 7,1905, when she sailed for Cherbourg, France, where the remains of the late John Paul Jones were received aboard and brought to America for interment at the United States Naval Academy.
Split into simpler sentences: Rear Admiral Sigsbee commanded the USS "Brooklyn" as his flagship on June 7,1905, when she sailed for Cherbourg, France. There, the remains of the late John Paul Jones were taken aboard and brought back home for his internment at the United States Naval Academy.