Complex sentence: Serving with the 7th (later the 11th) Kentucky Cavalry under John Hunt Morgan, McCreary saw action in the Battle of Hartsville, and participated in the raids on the Kentucky towns of Monticello and Burkesville.
Split into simpler sentences: Serving with the 7th (later the 11th) Kentucky Cavalry under John Hunt Morgan, McCreary saw action in the Battle of Hartsville. He participated in the raids on the Kentucky towns of Monticello and Burkesville.