Rubuta ci gaba don wannan sakin layi - Savolainen ya ba da kansa don shiga cikin Jager Jager na 27 don horo da kwarewar soja a ranar 23 ga Nuwamba. Ya shiga cikin fadace-fadace a yakin duniya na farko a gabashin gabashin Jamus a cikin yaƙe-yaƙe na Misse River, Gulf of Riga da kuma yakin Kirsimeti
a kogin Aa. Ya kuma kammala karatun sabo na musamman a Polangen a shekarar 1917.