This has probably been discussed before... Germany had highly successful campaigns to start WWII and made the "mighty" French army capitulate very quickly. After the escape at Dunkirk, the Germans started planning the invasion of England. Yes Germany had innovative offensive tactics that worked and they were building up their airborne divisions, but when it came to a cross channel invasion, I don't think it could have succeeded. England's navy dwarfed Germany's, have 12 battleships to none (they had two battle cruisers), 5 aircraft carriers to none, and greater numbers of ships of all types. Since they had the enigma machine and probably could have had an idea of when the invasion was coming, England could have brought their whole navy into the Channel for defense. They could have made a giant blockade and set their aircraft carriers out to hit troop transport ships with planes, and used the massive guns on their ships to also attack. Yes, the Luftwaffe could have made the defense difficult but the numbers and firepower of the Royal Navy would have persevered in the end. Also, look at all the planning, cooperation, collaboration, and time it took to prepare and launch Operation Overlord. Hitler's regime didn't have anywhere near that type of logistical military infrastructure or good government cooperation of any kind, plus it was Hitler's way or the highway. I know Hitler wanted to concentrate on Russia and didn't really want to fight England to begin with, but do you think the other factors had something to do with the decision not to launch the plan as well?