Mediterranean campaign of 1793–1796 Jervis awaited an opportunity to return to the Sea, while his blockading squadrons under Nelson harassed the Spanish, including a failed assault on Cádiz in June, and the disastrous Battle of Santa Cruz in July at which Nelson lost an arm. It was not until the spring of 1798 and the attempt by a French army under Bonaparte to invade Egypt that a British fleet was able once more to enter the Mediterranean. In the Mediterranean campaign of 1798 a recovered Nelson tracked the French fleet and destroyed it at the Battle of the Nile, reasserting British naval supremacy in
Atlantic campaign of 1806 sailed from Cadiz and was intercepted by Nelson, resulting in the Battle of Trafalgar. Although Nelson was killed at the height of the battle, his squadron inflicted a devastating defeat on the combined fleet, capturing or destroying 17 French or Spanish ships, including Villeneuve's flagship. The battered remnants of the French Mediterranean and Spanish Atlantic fleets retreated to Cadiz, although four French ships fled north and were intercepted and captured at the Battle of Cape Ortegal two weeks later. In total, the campaign cost Napoleon 13 French and 12 Spanish ships, eliminating any possibility of even regional superiority at sea