Goering screwed up as follows, he: * Insisted all Luftwaffe planes be able to dive-bomb, limiting other design functions. * Told Hitler he could handle the Battle of Dunkirk and failed. read more
Goering was a good pilot, a better than average squadron commander, but 1940 he was the best drug addict who ever commanded a national Air Force. He failed in the Battle of Britain, he failed to build an adequate air defense. read more