Rubuta ci gaba don wannan sakin layi - Rukunin ya shiga cikin mamaye Poland a 1939 a matsayin wani ɓangare na Army Group Kudu, amma an canza shi zuwa garrison Wall Wall kafin ƙarshen yaƙin. A cikin 1940 ya shiga mamayewar Norway, mafi shahararren aikawa da Rundunar 139th Mountain karkashin Janar Eduard Dietl don kwace tashar jiragen ruwa ta Narvik da ke Arctic. 'Yan kawancen sun yi nasarar kwace garin a takaice.
, amma ya watsar da shi ga Jamusawa bayan mamayewar Faransa.