Studies the role of the Spanish navy in the Battle of Trafalgar. How Spain rebuilt and rejuvenated her navy two centuries after the defeat of the Armada; Key roles of Alejandro Malespina and two of his ship captains, Dioniso Alcala Galiano and Cayetano Valdes; Other leading officers, Cosme Damian Churruca and Jose de Mazarredo; Two major changes that brought modernization and renewal to the imperial institutions of 18th-century Spain.