British Army during the Napoleonic Wars led to the Battle of Trafalgar, a French fleet carrying 6,500 troops briefly captured Dominica and other islands but subsequently withdrew. In 1808, once the British were allied to Portugal and Spain, they were able to concentrate their forces and capture the French possessions one by one; Cayenne and Martinique in 1809, and Guadeloupe in 1810. Haiti was left to the insurgent armies. In 1805 news arrived in London that Napoleon had broken up his invasion camp at Boulogne, and was marching across Germany. The Prime Minister of the United Kingdom William Pitt immediately equipped an army of 15,000 men,
Free French Naval Forces of the war in France. He developed the aqua-lung in Paris during the German occupation.) The merchant fleet of the FNFL suffered heavy casualties, amounting to one quarter of its men. A number of warships were lost, notably the submarine "Surcouf", possibly sunk in a friendly fire incident. Other losses include the destroyers "Léopard", "Mimosa", "Alysse", and "La Combattante"; submarine "Narval"; patrol boats "Poulmic" and "Vikings". Free French Naval Forces Les Forces Navales Françaises Libres ("Free French Naval Forces") were the naval arm of the Free French Forces during the Second World War. They were commanded by Admiral Émile Muselier.