L'Hermite's expedition was a French naval operation launched in 1805 during the Napoleonic Wars. The operation was intended as both a commerce raiding operation against the British trading posts of West Africa and as a diversion to the Trafalgar campaign. Sailing from Lorient in October 1805 with one ship of the line, two frigates and a corvette, Commodore Jean-Marthe-Adrien L'Hermite was under orders to intercept and destroy British traders and slave ships off the West African coast and await reinforcements under Jérôme Bonaparte which were to be used in the invasion and capture of one of the British trading forts for use as a permanent French naval base from which further raiding operations could be conducted. It was also hoped by the French naval command that L'Hermite might draw some o