Whakaotihia te rerenga e whai ake nei: I te pakarutanga o te Pakanga Tuarua o te Ao i mahi a Jauer hei rangatira kaimahi me te rangatira ope. I te Paenga-whawha 1943, i tohua ia hei rangatira mo te 20th Motorized Infantry me te 20th Panzer Grenadier Division ka uru ki te Pakanga o te putea Kamenets-Podolsky. Kātahi ka ārahi ia i te Rōpū Panzer 25 i te
Te Pakanga o Kiev. I te 12 o Poutu-te-rangi 1945 i riro ia hei rangatira mo te 'Panzer Corps Großdeutschland' i tukua ai ia.