Rubuta ci gaba ga wannan sakin layi - A lokacin yakin ci gaba
, Paasonen ya umurci rundunar soja a Karelian Isthmus da Gabashin Karelia, har sai an nada shi Shugaban Intelligence a shekarar 1942. Ya yi aiki a hedkwatar sojoji a Mikkeli a matsayin daya daga cikin manyan mataimakan Marshal Mannerheim.