 The defeat in the Battle of Britain was overshadowed by the military victories in the 1941 and 1942 Balkans Campaign and the opening phases on the Eastern Front.The entry of the United States of America into the war appeared to make little difference.The Eighth Air Force had been bloodied in 1942, and the pilots of Luftflotte 3 respected the new enemy, but Germany itself remained virtually inviolate by day in 1942.