".......When Hermann Goering, commander-in-chief of the Luftwaffe, saw (P-51) fighters ['red noses' - D.] escorting bombers over Berlin on March 4 , 1944, he said : "I then realized the war was lost........"
cf:
Google > goering red noses berlin war lost >
Mustang! Documents: <http://mustang.gaetanmarie.com/articles/germany/germany.htm>