Lengkepan kalimah di handap ieu: Dina 9 April 1944, "Oberleutnant" (Letnan Kahiji) Lang diangkat "Staffelkapitän" tina 9./JG 54 (9th Skuadron tina 54th Fighter Wing) kalibet dina Pertahanan Reich dina
Front Kulon. Manéhna jadi panarima 448 tina Knight's Cross of the Iron Cross with Oak Leaves () dina 11 April 1944 sanggeus 144 kameunangan udara, kabéh diklaim di Front Wétan. Presentasi ieu dilakukeun ku Adolf Hitler di Berghof, tempat tinggal Hitler di Obersalzberg di Bavarian Alps, dina 5 Méi 1944. Ogé hadir dina upacara éta Anton Hafner, Otto Kittel, Günther Schack, Alfred Grislawski, Erich Rudorffer, Martin Möbus, Wilhelm Herget, Hans-Karl Stepp, Rudolf Schoenert, Günther Radusch, Otto Pollmann sareng Fritz Breithaupt, anu sadayana nampi Daun Oak dina tanggal ieu.