Air warfare of World War II 1920s summarised the faith that airmen during and after World War I developed in the efficacy of strategic bombing. Many said it alone could win wars, as "the bomber will always get through". The Americans were confident that the Boeing B-17 Flying Fortress bomber could reach targets, protected by its own weapons, and bomb, using the Norden bombsight, with "pickle barrel" accuracy. Japanese aviation pioneers felt that they had developed the finest naval aviators in the world. The Luftwaffe was the German Air Force. The pride of Nazi Germany under its leader Hermann Göring, it learned new combat techniques in
RAF Bomber Command aircrew of World War II although 9,838 became prisoners of war. During World War II 156 aircrew taken prisoner of war successfully escaped from German prisoner of war camps in Western Europe and 1,975 airmen evaded capture being hidden by local resistance groups after being shot down in Western Europe. It is reported that more than half of the escapers and evaders were RAF Bomber Command airmen. A recent specialized study of airmen "evaders" shot down over Western Europe states that a post-war summary prepared by British Military Intelligence (MI9) recorded that 695 officers and 1,270 enlisted men had evaded capture; however, the study identified