May there not be methods of using explosive energy incomparably more intense than anything heretofore discovered? Might not a bomb no bigger than an orange be found to possess a secret power to destroy a whole block of buildings-nay, to concentrate the force of a thousand tons of cordite and blast a township at a stroke? Could not explosives even of the existing type be guided automatically in flying machines by wireless or other rays, without a human pilot, in ceaseless procession upon a hostile city, arsenal, camp or dockyard?
Winston ChurchillIn Hitler's launching of the Nazi campaign upon Russia we can already see, after less than six months of fighting, that he made one of the outstanding blunders of history, and the results so far realized constitute an event of cardinal importance in the final decision of the war.
Winston Churchill