Mezue ahịrịokwu na-esonụ: Na 9 Eprel 1944, "Oberleutnant" (First Lieutenant) Lang ka a họpụtara "Staffelkapitän" nke 9./JG 54 (9th Squadron of the 54th Fighter Wing) nke na-agbachitere Reich na
Ebe Ọdịda Anyanwụ. Ọ ghọrọ onye 448th nke Knight's Cross nke Iron Cross na Oak Leaves () na 11 Eprel 1944 mgbe 144 mmeri ikuku, niile kwuru na Eastern Front. Adolf Hitler mere ihe ngosi ahụ na Berghof, ebe obibi Hitler na Obersalzberg nke Bavarian Alps, na 5 May 1944. Ndị ọzọ nọ na emume ahụ bụ Anton Hafner, Otto Kittel, Günther Schack, Alfred Grislawski, Erich Rudorffer, Martin Möbus, Wilhelm Herget, Hans-Karl Stepp, Rudolf Schoenert, Günther Radusch, Otto Pollmann na Fritz Breithaupt, ndị niile natara Oak Leaves na ụbọchị a.