One of the favorite topics of alternative history (and one of the scenarios endlessly replayed in war games such as Axis & Allies and 3rd Reich) is what if Germany had attempted Operation Sea Lion. Assuming a Luftwaffe victory over the Royal Air Force in the Battle of Britain was Sea Lion feasible in other respects? Could Hitler have knocked the United Kingdom out of the war in the summer of 1940 or would the attempt have led to his first major defeat?
