The swift victory over France allowed the Kriegsmarine to base itself in ports on France's west coast. This was strategically important as German ships would no longer have to navigate through the dangerous English Channel in order to return to friendly ports, as well as allow them to range farther out into the Atlantic to attack convoys. With the surrender of France, Raeder saw the opportunity to greatly enhance the navy's power by confiscating the ships of the French Navy and manning them with his crews. Hitler however, vetoed this idea, afraid that doing so would push the French navy to join the Royal Navy. British fears of Raeder's plan resulted in the Attack on Mers-el-Kébir, where the Royal Navy attacked the French navy despite being at peace.