Tuhia he haere tonu mo tenei waahanga - I te hotoke o te 1942/43, i arahi a Fretter-Pico i te wehenga o te ope taua o Fretter-Pico (Tiamana: "Armeeabteilung Fretter-Pico"), i hangaia mo te wa poto mai i tana roopu, ka hoki ano ki te XXX. Ko te ope taua. I te timatanga o Hurae 1944 i tukuna ia mo te wa poto ki te Führerreserve kia taea ai te whakahaere i te 6 o nga ope taua i waenganui o te marama, i whakangaromia i muri mai i te mahi a Jassy-Kishinev
kātahi ka whakahoutia. Na te turanga o te 2nd me te 3rd Army Hungarian, i kiia mo te wa poto ko te Army Group Fretter-Pico (Tiamana: "Armeegruppe Fretter-Pico"). I uru tenei roopu ki te Pakanga o Debrecen, mai i te 6 ki te 29 o Oketopa 1944. I te 23 o Tihema 1944 i whakarerea e ia tana whakahau me te z. b. V. o te Tumuaki o te Ope Taua. I tukuna ia i te 25 o Poutu-te-rangi 1945 hei kaiwhakaatu i te kooti hoia i Torgau ki te "General der Panzertruppe" Walter Fries. He rereke ki te whakahau a Hitler, i whakarerea e Fries te taone o Warsaw, i kiia he pa kaha (Tiamana: "Festung"), a ka wehe atu nga hoia Tiamana. I mutu te whakawakanga i te 30 o Poutu-te-rangi 1945 me te whakawāteatanga a Fries a ka tohua a Fretter-Pico hei rangatira o te rohe hoia IX, i Kassel (Tiamana: ""), koinei tana whakahau whakamutunga. I reira i mauheretia ia e te Ope Taua o Amerika i te 22 o Aperira 1945 ka tukuna i waenganui o te 1947.