Members of the Polish Air Force fought through the defeat of their own country in 1939 and then alongside the French until the fall of France the following year, when they made their varied ways to Britain. There the Poles were among the Royal Air Force's most successful ace pilots. During the Battle of Britain, the pilots of the all-Polish Kosciuszko Squadron - 303 Squadron to the RAF - shot down more German planes than any other squadron. According to Britain's wartime air force minister...