Complex sentence: His successor, Jahleel Brenton, fought a number of actions against Spanish forces off Gibraltar, while her last captain, Lord Thomas Cochrane, achieved some of his greatest exploits with her, forcing the surrender of a much larger Spanish warship, the "Gamo".
Split into simpler sentences: His successor, Jahleel Brenton, fought a number of actions against Spanish forces off Gibraltar. Her last captain, Lord Thomas Cochrane, achieved some of his greatest exploits with her, forcing the surrender of a much larger Spanish warship, the "Gamo".