Complex sentence: Highlights of this service included her capture on 8 July 1864 of "Ida" a sidewheel steamer which had slipped out of Sapelp Sound, Georgia, and was bound for the Bahamas laden with cotton.
Split into simpler sentences: Highlights of this service included her capture of "Ida" on 8 July 1864. That side-wheeler had slipped out of Sapelp Sound, Georgia, and was bound for the Bahamas laden with cotton.