POD: the French fleet sails to America to be interned, and Operation Catapult never happens. There is therefore much less souring of relations between Britain and France. How well could Vichy France collaborate with Britain against the Nazis? The general idea is, even though France is supposedly out of the war, it continues assisting the Allies as much as it can. Could the French government offer bases in Africa to the British? What else could they do? You may have to have someone other than Petain to make this work, suggestions?