Rubuta ci gaba ga wannan sakin layi - Trautmann ya shiga Luftwaffe a matsayin mai ba da rediyo a 1941. A lokacin horo, ya nuna ƙarancin ƙwarewa don aikin rediyo, kuma an tura shi zuwa Spandau don zama "Fallschirmjäger" (mai ba da fashi). Ya fara aiki a Poland da aka mamaye
, ko da yake an sanya shi a baya bayan layin gaba ya haifar da rashin jin daɗi ga rundunarsa, wanda ya yi amfani da wasanni da wasan kwaikwayo don wuce lokaci. Wata irin wannan wasa da ta shafi mota ta yi wa Trautmann mummunar illa, hakan ya sa wani ma'aikacin soja ya ƙone hannayensa. An gurfanar da Trautmann a gaban kotun soji, kuma an yanke masa hukuncin daurin watanni uku. A farkon tsarewarsa, Trautmann ya kamu da cutar appendicitis mai tsanani, kuma ya kwashe sauran hukuncinsa a asibitin soja.