Rubuta ci gaba don wannan sakin layi - Tare da barkewar Yaƙin Duniya na Biyu, Babban Kwamandan Sojojin Jamus (OKH) ya ɗauki ƙungiyar lokacin yaƙi. Heusinger ya bi ma'aikatan filin kuma ya taimaka wajen tsara ayyukan don mamaye Poland, Denmark
, Norway, da Faransa da Ƙasashen Ƙasa. An daukaka shi zuwa Kanal a ranar 1 ga Agusta, 1940, kuma ya zama shugaban "Operationsabteilung" a watan Oktoba, 1940, yana mai da shi lamba uku a cikin tsarin tsara shirin Sojoji, bayan Shugaban Babban Jami'in Janar, Janar Franz Halder, da Mataimakin Shugaban Babban Jami'in Janar / Babban Jami'in Janar, Janar Friedrich Paulus.